ilevsisiWhich spelling fits?

Quick tell: ile is a noun, isi is a verb, so they fill different roles in a sentence.

Which to use

“ile” is a noun and “isi” is a verb - they look or sound alike but fill different roles in a sentence.

#3,925
“ile” frequency rank
#49,170
“isi” frequency rank
53095
confusion score

Side-by-Side Comparison

Feature ile isi
Definition Espace de terre entouré d’eau de tous côtés. Deuxième personne du singulier du futur de l’indicatif du verbe isal/isañ.

Where the eye mixes ile and isi

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ile and isi follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
ile
3 ch
isi

Look-alike desk: ile vs isi

These two trip readers on the page rather than in the ear: ile is \il\ while isi is \ˈisːi\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 53095, derived from the frequency rank of both members and their visual similarity.

ile is recorded at frequency rank #3,925, classified as anoun, pronounced \il\. isi is at rank #49,170, tagged as averb, pronounced \ˈisːi\.

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 53095, this pair ranks #143,098 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ile vs isi

Shared letters: i. Private to "ile": el. Private to "isi": s.

"ile" · 3 letters · shape VCV  ·  "isi" · 3 letters · shape VCV

Frequently Asked Questions

Can "ile" and "isi" be used interchangeably?
No - they are not even the same part of speech. "ile" is a noun and "isi" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "ile" or "isi" show up more?
"ile" is the more common of the two: it sits at frequency rank #3,925 in our French list, against #49,170 for "isi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ile" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #143,098 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ile" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs isi". Nearby pair

Confusion rank #143,098 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