ilvsisleWhich spelling fits?

Quick tell: il is a pronoun, isle is a noun, so they fill different roles in a sentence.

Which to use

“il” is a pronoun and “isle” is a noun - they look or sound alike but fill different roles in a sentence.

#18
“il” frequency rank
#11,988
“isle” frequency rank
12006
confusion score

Side-by-Side Comparison

Feature il isle
Definition Pronom de la troisième personne du singulier masculin (utilisé exclusivement en tant que sujet). Désigne une personne, un animal ou une chose dont le genre est masculin. Île.

Same sound, different letters: il vs isle

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 2 letters.

2 ch
il
4 ch
isle

Homophone desk: il vs isle

Say them out loud and nothing separates them: il and isle carry the same recorded pronunciation, \il\. Grammar is what tells them apart: one is apronoun, the other anoun, so most sentences will only accept one of them. They differ by 2 letter(s) in length. Our composite confusion score for this pair is 12006, derived from the frequency rank of both members and their visual similarity.

il is recorded at frequency rank #18, classified as apron, pronounced \il\. isle is at rank #11,988, 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 12006, this pair ranks #406,938 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of il vs isle

Shared letters: il. Private to "il": -. Private to "isle": es.

"il" · 2 letters · shape VC  ·  "isle" · 4 letters · shape VCCV

Known mistypes of this pair

  • isleisel · islle · issle · sile

Frequently Asked Questions

Do "il" and "isle" mean the same thing in a sentence?
No - they are not even the same part of speech. "il" is a pronoun and "isle" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "il" vs "isle" - which ranks higher?
"il" is the more common of the two: it sits at frequency rank #18 in our French list, against #11,988 for "isle". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

"il" and "isle" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "il" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isle" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #406,938 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "il" and "isle" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs isle". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #406,938 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list