ies vs isles, What's the Difference?

Which to use

“ies” and “isles” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#25,358
“ies” frequency rank: #36,912
“isles” frequency rank: 62270
confusion score

Side-by-Side Comparison

Feature	ies	isles
Definition	Pluriel de ie.	Pluriel de isle.

Where the spellings diverge

Shared letters are muted; the letters that actually set ies and isles apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

3 ch

ies

5 ch

isles

Spelling & Dictionary Insight

A purely visual mix-up. ies (\je\) and isles (\il\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 62270, derived from the frequency rank of both members and their visual similarity.

ies is recorded at frequency rank #25,358, classified as anoun, pronounced \je\. isles is at rank #36,912, tagged as anoun, pronounced \il\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 62270, this pair ranks #87,970 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ies vs isles

Shared letters: eis. Private to "ies": -. Private to "isles": l.

"ies" · 3 letters · shape VVC · "isles" · 5 letters · shape VCCVC

Known mistypes of this pair

isles ← ilses · isels · isless · islles · islse · issles · siles

Frequency comparison

ies#25,358

isles#36,912

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ies" and "isles" be used interchangeably?

No. They are said differently (\je\ versus \il\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "ies" or "isles"?

"ies" is the more common of the two: it sits at frequency rank #25,358 in our French list, against #36,912 for "isles". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ies vs isles

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “ies” entry
Browse more pairs most likely to be confused. Most confusable