Dictionary-enhanced plural guide
What is the Plural of “Ally”?
Learn the singular and plural noun forms, the rule behind the plural, and examples that show the form in context.
Singular and Plural Form of Ally
Ally is the singular noun form. Allies is the plural form.
Dictionary meaning: Someone who helps you or works together with you.
Why is the Plural of Ally “allies”?
The Irregular Plural Rule for Ally
When a word ends in consonant + y, change the y to -ies. Example: ally → allies
Plural pattern: irregular.
How to Remember the Plural of Ally
“ally” → “allies” is an irregular plural — there is no rule, so memorise the pair as a whole. Try writing it in 3 sentences today.
A common slip-up: Saying AL-ee (like alley) instead of AL-eye..
Singular vs Plural Examples with Ally
See ally and allies used in real sentences side by side.
Singular: ally
- She found a loyal ally in her colleague during the project. A2
Plural: allies
- We need to find allies who share our goals for the campaign. B1
- The two nations became close allies following the peace treaty. B2
Common Plural Mistakes with Ally
Wrong: The plural of ally is allys.
Correct: The plural of ally is allies.
Words ending in consonant + y change y to ies in plural
How to Pronounce Ally and Allies
Stress the first syllable: AL-eye. The second syllable rhymes with 'my', not 'ee'.
Other Words With the Same Plural Pattern as Ally
These nouns follow the same irregular rule. Click any word to see its plural page.
A young boy or girl who is not yet an adult.
the two parts at the bottom of your legs that touch the…
A tiny insect that lives around food and moves very fast.
One of two equal parts that make up something complete.
A grown-up male person. A man is an adult male, not a…
The ability to remember things from the past, or the thought you…
One human; a single individual.
Money that a person earns from their job, paid regularly by their…
Origin and Etymology of Ally
From Old French alier, from Latin alligare (to bind together).
Cultural note: The Allied Powers in World War II (US, UK, USSR, France) are a famous historical example of allies.
Frequently Asked Questions About the Plural of Ally
What is the plural of “ally”?
The plural of “ally” is “allies”.
Is “allies” regular or irregular?
This page classifies it as irregular based on the available plural data.