Have you ever wondered whether the correct spelling is monkeys or monkies? English spelling rules can be confusing, especially when a word ends in the letter y. Many words change their endings when they become plural, so it is easy to assume that monkey follows the same pattern as baby or city.
However, monkeys is the correct standard plural spelling of monkey. The spelling monkies is a common misspelling and should be avoided in standard English writing.
The good news is that the rule is simple once you understand it. In this guide, you will learn why monkeys is correct, how to apply the plural spelling rule, and how to use the word correctly in everyday sentences.
What Is the Difference Between Monkeys and Monkies?
The main difference is that monkeys is the standard English plural form of monkey, while monkies is a nonstandard spelling.
Monkeys: The Correct Spelling
Monkeys is the correct plural form of the singular noun monkey. Use it when referring to two or more monkeys.
Examples:
- We saw several monkeys climbing the trees.
- The monkeys played together in their enclosure.
- Some monkeys live in forests, while others live in different habitats.
- The children enjoyed watching the monkeys at the zoo.
In each sentence, monkeys refers to more than one animal. The spelling follows the standard English rule for nouns ending in a vowel followed by y.
Monkies: The Incorrect Spelling
Monkies is generally considered a misspelling in modern standard English. Although it may look reasonable, it does not follow the usual plural spelling rule for monkey.
Incorrect: The monkies were eating bananas.
Correct: The monkeys were eating bananas.
The confusion occurs because some English nouns ending in y change to ies in the plural. However, the letter immediately before the final y determines which spelling pattern to use.
Quick Comparison Table
| Word | Correct? | Explanation |
|---|---|---|
| Monkey | Yes | Singular noun |
| Monkeys | Yes | Standard plural noun |
| Monkies | No | Nonstandard spelling |
| Monkey’s | Yes | Singular possessive |
| Monkeys’ | Yes | Plural possessive |
Remember that monkey’s and monkeys’ are possessive forms, not alternative plural spellings.
Why Is Monkeys the Correct Plural Spelling?
The correct spelling becomes easier to remember when you understand the English plural rule for words ending in y.
The Vowel + Y Rule
When a noun ends in a vowel followed by y, you generally form its plural by adding -s without changing the y.
The vowels in English are a, e, i, o, and u.
For example:
- Monkey → Monkeys
- Donkey → Donkeys
- Key → Keys
- Turkey → Turkeys
- Journey → Journeys
- Chimney → Chimneys
In the word monkey, the letter immediately before y is e. Because e is a vowel, you keep the original spelling and add s.
Therefore:
Monkey + s = Monkeys
You do not change the y to i.
The Consonant + Y Rule
The rule is different when a noun ends in a consonant followed by y. In these cases, you usually change the y to i and add es.
Examples include:
- Baby → Babies
- City → Cities
- Puppy → Puppies
- Party → Parties
- Lady → Ladies
- Story → Stories
In baby, the letter before y is b, a consonant. That is why the plural becomes babies, not babys.
However, monkey ends in ey, with a vowel immediately before the y. It follows a different pattern.
An Easy Way to Remember the Rule
Whenever you need to pluralize a word ending in y, look at the letter immediately before it.
| Ending | Plural Rule | Example |
|---|---|---|
| Vowel + y | Add -s | Monkey → Monkeys |
| Consonant + y | Change y to -ies | Baby → Babies |
| Vowel + y | Add -s | Key → Keys |
| Consonant + y | Change y to -ies | City → Cities |
This simple check can help you avoid many common English spelling mistakes.
How to Use Monkeys Correctly in Sentences
Understanding the spelling rule is important, but you should also know how to use monkeys naturally in sentences.
Everyday Examples of Monkeys
Here are some practical examples showing the correct plural spelling:
- The monkeys climbed high into the trees.
- We watched three monkeys playing near the water.
- Several monkeys gathered around the food.
- The zookeeper carefully observed the monkeys.
- Young monkeys often stay close to their mothers.
- The documentary showed monkeys living in the wild.
- Tourists took photographs of the monkeys.
- Some monkeys use objects to help them obtain food.
Each sentence uses monkeys because it refers to multiple animals.
Singular and Plural Subject Agreement
The difference between monkey and monkeys also affects subject-verb agreement.
Use a singular verb when talking about one monkey:
- The monkey is sleeping.
- The monkey has a long tail.
- A monkey climbs the tree.
Use a plural verb when talking about more than one monkey:
- The monkeys are sleeping.
- The monkeys have long tails.
- Several monkeys climb the trees.
Notice that the noun and verb change together. Learning these patterns helps you improve both spelling and grammar.
Monkeys, Monkey’s, and Monkeys’
These three forms can look similar, but they serve different purposes.
- Monkey: One animal. Example: The monkey is hungry.
- Monkeys: More than one animal. Example: The monkeys are hungry.
- Monkey’s: Something belongs to one monkey. Example: The monkey’s tail is long.
- Monkeys’: Something belongs to multiple monkeys. Example: The monkeys’ enclosure is large.
Do not confuse the plural spelling with the possessive apostrophe. If you simply mean more than one monkey, write monkeys.
A Practical Example: How to Avoid the Monkies Spelling Mistake
Imagine a student named Sarah writing a short paragraph about a school trip to the zoo. She wants to describe the animals she saw and writes the following sentence:
“We watched three monkies jumping between the branches.”
At first glance, the sentence looks understandable. The meaning is clear, and the reader knows that Sarah is describing more than one monkey. However, the plural noun contains a spelling error.
Identifying the Mistake
Sarah remembers learning that words such as baby become babies in the plural. She applies that rule to monkey and changes the final y to ie, producing monkies.
The problem is that she has overlooked the letter before the y. In baby, the letter before y is a consonant. In monkey, it is the vowel e.
Correcting the Sentence
The corrected sentence is:
“We watched three monkeys jumping between the branches.”
The sentence now uses the standard plural spelling. Its meaning remains unchanged, but the writing is grammatically appropriate.
Sarah can apply the same principle to the rest of her paragraph. She should write donkeys, keys, and turkeys when referring to multiple items or animals. However, she should write babies, cities, and puppies because those words end in a consonant followed by y.
What This Example Teaches Us
This practical classroom-style example illustrates why memorizing individual spellings is not always enough. Understanding the underlying rule helps writers make correct decisions when they encounter unfamiliar words.
The next time you hesitate between monkeys and monkies, check the letter before the final y. Since e is a vowel, add s and keep the y.
This approach is useful for students, teachers, bloggers, and English learners who want to write accurately without repeatedly checking a dictionary.
Monkeys or Monkies: Spelling Evidence and Useful Facts
Dictionary entries and established spelling rules provide reliable evidence for choosing the correct plural. It is also important to distinguish documented language information from unverified statistics.
What Dictionaries Tell Us
The Oxford English Dictionary lists monkeys as a plural form of monkey. Its entry also records historical spelling variations, which illustrates how English word forms have developed over time. For modern standard writing, monkeys is the appropriate spelling.
The Dictionary.com entry likewise identifies monkeys as the plural and explains that nouns ending in a vowel plus y generally take -s.
What the Available Data Shows in 2025–2026
There is no verified, publicly available 2025–2026 dataset established here that measures how many people misspell monkeys as monkies. It would therefore be misleading to provide a percentage or claim that a particular number of writers make this mistake.
However, dictionary evidence offers a useful indication of the word’s relevance. The Oxford English Dictionary places monkey among the 5,000 most common words in modern written English and estimates its frequency at approximately ten occurrences per million words. This is dictionary frequency information, not a newly collected 2025–2026 spelling-error statistic.
The practical lesson is that learning this plural rule has value beyond one word. It reinforces a pattern that applies to many everyday nouns and helps readers recognize the difference between vowel + y and consonant + y endings.
A Quick Checklist for Correct Spelling
Before publishing or submitting your writing, check the following:
- Use monkey when referring to one animal.
- Use monkeys when referring to multiple animals.
- Keep the y because it follows a vowel.
- Do not write monkies in standard English.
- Use monkey’s for the singular possessive.
- Use monkeys‘ for the plural possessive.
- Check that the verb agrees with the singular or plural subject.
Mini Quiz:Monkeys or Monkies
1. Which spelling is correct for the plural of monkey?
A) Monkies B) Monkeys C) Monkees D) Monkyes
Answer: B) Monkeys
2. Choose the correct word: We saw three _____ at the zoo.
A) monkies B) monkey’s C) monkeys D) monkeys’
Answer: C) monkeys
3. Why is monkeys correct instead of monkies?
A) The y is always removed. B) The word ends in a vowel followed by y. C) All animal names take -s only. D) It is an irregular plural.
Answer: B) The word ends in a vowel followed by y.
4. Which is the correct plural of donkey?
A) Donkies B) Donkeyes C) Donkeys D) Donkeies
Answer: C) Donkeys
5. Complete the sentence: The _____ are climbing a tree.
A) monkey B) monkey’s C) monkies D) monkeys
Answer: D) monkeys
6. True or False: The standard plural spelling of monkey is monkeys.
Answer: True
7. Which word changes y to ies in the plural?
A) Key B) Turkey C) Baby D) Journey
Answer: C) Baby — Baby becomes babies.
8. Which sentence is spelled correctly?
A) The monkies are hungry. B) The monkeys are hungry. C) The monkey are hungry. D) The monkeys is hungry.
Answer: B) The monkeys are hungry.
9. What does monkey’s mean in “The monkey’s tail is long”?
A) More than one monkey B) A tail belonging to one monkey C) A group of tails D) A type of monkey
Answer: B) A tail belonging to one monkey
10. Which is the correct plural of city?
A) Citys B) Cities C) Citis D) Citie’s
Answer: B) Cities
11. True or False: Monkies is the correct plural spelling of monkey in standard English.
Answer: False — The correct spelling is monkeys.
12. Complete the sentence: One key, two _____.
A) keies B) keys C) keyes D) key’s
Answer: B) keys
13. Which sentence uses monkeys’ correctly?
A) The monkeys’ enclosure was clean. B) Two monkeys’ climbed the tree. C) The monkeys’ are playful. D) I saw three monkeys’ at lunch.
Answer: A) The monkeys’ enclosure was clean.
14. Complete the sentence: One baby grows, and two _____ grow.
A) babys B) babyes C) babies D) baby’s
Answer: C) babies
15. Which spelling is correct in both British and American English?
A) Monkies in both B) Monkeys in both C) Monkies in American English, monkeys in British English D) Monkeys in American English, monkies in British English
Answer: B) Monkeys in both
16. Complete the sentence: Several _____ gathered near the branches.
A) monkey B) monkey’s C) monkies D) monkeys
Answer: D) monkeys
17. Which plural follows the same spelling rule as monkeys?
A) Puppies B) Ladies C) Turkeys D) Cities
Answer: C) Turkeys
18. Which option is the singular form of monkeys?
A) Monkey B) Monkies C) Monkey’s D) Monkeys’
Answer: A) Monkey
19. Which of the following are correctly spelled plural nouns? Select all that apply.
A) Monkeys B) Babies C) Monkies D) Keys
Answer: A) Monkeys, B) Babies, and D) Keys
20. Which sentence is correct?
A) The monkey’s are playing. B) The monkies are playing. C) The monkeys are playing. D) The monkeys is playing.
Answer: C) The monkeys are playing.
21. What is the plural of turkey?
A) Turkies B) Turkeys C) Turkeyes D) Turkeis
Answer: B) Turkeys
22. Which word is spelled incorrectly?
A) Donkeys B) Monkeys C) Monkies D) Journeys
Answer: C) Monkies
23. Complete the sentence: The _____ is eating a banana.
A) monkeys B) monkies C) monkey D) monkeys’
Answer: C) monkey
24. What is the plural of puppy?
A) Puppys B) Puppies C) Puppyes D) Puppie’s
Answer: B) Puppies
25. Which rule helps you spell monkeys correctly?
A) Change every y to ies. B) Remove the final y. C) Add -es to every noun. D) For a vowel followed by y, generally add -s.
Answer: D) For a vowel followed by y, generally add -s.
Frequently Asked Questions About Monkeys or Monkies
1. Is it monkeys or monkies?
Monkeys is the correct standard spelling. Monkies is a misspelling in modern standard English.
Example: The monkeys climbed the trees.
2. What is the plural of monkey?
The plural of monkey is monkeys. To form the plural, simply add s to the singular noun.
Example: One monkey, two monkeys.
3. Why is monkeys spelled with an s instead of ies?
The word monkey ends in a vowel (e) followed by y. English nouns with this ending generally form their plurals by adding s.
By contrast, baby becomes babies because a consonant appears before its final y.
4. Is monkies ever correct?
Monkies is not the standard modern plural spelling of monkey. Avoid it in schoolwork, professional writing, articles, and other formal contexts.
5. Do British and American English use the same spelling?
Yes. Both British and American English use monkeys as the standard plural spelling. There is no regional spelling difference for this word.
6. What is the difference between monkey’s and monkeys’?
Monkey’s is the singular possessive, meaning something belongs to one monkey. Monkeys’ is the plural possessive, meaning something belongs to multiple monkeys.
Examples:
- The monkey’s food is in the bowl.
- The monkeys’ food is in the bowls.
7. What are some other words that follow the same rule?
Words such as donkey, key, turkey, and journey follow the vowel + y pattern.
Their plurals are donkeys, keys, turkeys, and journeys. In each case, you keep the y and add s.
8. How can I remember the correct spelling of monkeys?
Remember this simple rule: vowel + y = add s; consonant + y = usually change y to ies.
Since the e in monkey comes immediately before the y, the correct plural is monkeys.
Conclusion: Monkeys or Monkies — Which One Should You Use?
When choosing between monkeys or monkies, the correct answer is monkeys. It is the standard plural form of monkey, while monkies is a spelling mistake in modern standard English.
The rule is straightforward: words ending in a vowel followed by y generally form their plurals by adding s. Because the letter before the final y in monkey is e, the word becomes monkeys, not monkies.
Remember these examples:
- One monkey, two monkeys.
- One donkey, two donkeys.
- One baby, two babies.
Understanding this small spelling rule will help you avoid similar mistakes in your everyday writing.
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References
https://dictionary.cambridge.org/dictionary/english/monkey
https://dictionary.cambridge.org/grammar/british-grammar/nouns-form
Maimoona Mughal is an English grammar enthusiast dedicated to simplifying confusing words, grammar rules, and vocabulary through clear, accurate, and learner-friendly content that helps readers write and communicate with confidence.
