ilsvsIssyWhich spelling fits?

Quick tell: ils is a pronoun, Issy is a name, so they fill different roles in a sentence.

Which to use

“ils” is a pronoun and “Issy” is a name - they look or sound alike but fill different roles in a sentence.

#54
“ils” frequency rank
#21,670
“Issy” frequency rank
21724
confusion score

Side-by-Side Comparison

Feature ils Issy
Definition Pronom clitique de la troisième personne du pluriel sujet, quand on parle d’un groupe d’hommes et de femmes ou de choses grammaticalement masculines et féminines. Dénomination ancienne ou familière de la commune d’Issy-les-Moulineaux

Where the eye mixes ils and Issy

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
ils
4 ch
Issy

Visual trap between ils and Issy

These two trip readers on the page rather than in the ear: ils is \il\ while Issy is \i.si\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs name), which is usually the fastest check. Our composite confusion score for this pair is 21724, derived from the frequency rank of both members and their visual similarity.

ils is recorded at frequency rank #54, classified as apron, pronounced \il\. Issy is at rank #21,670, tagged as aname, pronounced \i.si\.

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 21724, this pair ranks #361,736 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ils vs Issy

Shared letters: is. Private to "ils": l. Private to "Issy": y.

"ils" · 3 letters · shape VCC  ·  "Issy" · 4 letters · shape VCCV

Known mistypes of this pair

  • Issyissyy · isy · isys · sisy

Frequently Asked Questions

Do "ils" and "Issy" mean the same thing in a sentence?
No - they are not even the same part of speech. "ils" is a pronoun and "Issy" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ils" vs "Issy" - which ranks higher?
"ils" is the more common of the two: it sits at frequency rank #54 in our French list, against #21,670 for "Issy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "ils" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Issy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #361,736 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ils" and "Issy" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs Issy". 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 #361,736 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