irrégulièrevsirrégulièresWhich spelling fits?

Quick tell: irrégulière is a noun, irrégulières is an adjective, so they fill different roles in a sentence.

Which to use

“irrégulière” is a noun and “irrégulières” is an adjective - they look or sound alike but fill different roles in a sentence.

#14,958
“irrégulière” frequency rank
#31,563
“irrégulières” frequency rank
46521
confusion score

Side-by-Side Comparison

Feature irrégulière irrégulières
Definition Femme qui n’a pas un statut juridique légal, du point de vue du séjour dans un pays, du point de vue professionnel. Féminin pluriel de irrégulier.

Same sound, different letters: irrégulière vs irrégulières

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 11 letters. irrégulière runs 11 letters (VCCVCVCVVCV) against irrégulières's 12 (VCCVCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
irrégulière
12 ch
irrégulières

Ear matches; page differs - irrégulière and irrégulières

Say them out loud and nothing separates them: irrégulière and irrégulières carry the same recorded pronunciation, \i.ʁe.ɡy.ljɛʁ\. Grammar is what tells them apart: one is anoun, the other anadjective, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “irrégulière” sits inside “irrégulières”. Our composite confusion score for this pair is 46521, derived from the frequency rank of both members and their visual similarity.

irrégulière is recorded at frequency rank #14,958, classified as anoun, pronounced \i.ʁe.ɡy.ljɛʁ\. irrégulières is at rank #31,563, tagged as anadj, pronounced \i.ʁe.ɡy.ljɛʁ\.

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 46521, this pair ranks #194,240 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of irrégulière vs irrégulières

Shared letters: egilruèé. Private to "irrégulière": -. Private to "irrégulières": s.

"irrégulière" · 11 letters · shape VCCVCVCVVCV  ·  "irrégulières" · 12 letters · shape VCCVCVCVVCVC

Frequently Asked Questions

Do "irrégulière" and "irrégulières" mean the same thing in a sentence?
No - they are not even the same part of speech. "irrégulière" is a noun and "irrégulières" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "irrégulière" or "irrégulières" show up more?
"irrégulière" is the more common of the two: it sits at frequency rank #14,958 in our French list, against #31,563 for "irrégulières". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "irrégulière" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "irrégulières" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #194,240 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "irrégulière" and "irrégulières" also get mixed up with nearby pairs, the highest-scored neighbour is "irrégulières vs irréguliers". Nearby pair

Confusion rank #194,240 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