irrégulier vs irréguliers

Which to use

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

#21,976
“irrégulier” frequency rank: #25,022
“irréguliers” frequency rank: 46998
confusion score

Side-by-Side Comparison

Feature	irrégulier	irréguliers
Definition	Qui n’est pas selon les règles, qui ne suit pas les règles.	Masculin pluriel de irrégulier.

Same sound, different letters: irrégulier vs irréguliers

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 10 letters. irrégulier runs 10 letters (VCCVCVCVVC) against irréguliers's 11 (VCCVCVCVVCC) - the length gap alone is often enough to separate them once you know to check it.

10 ch

irrégulier

11 ch

irréguliers

Ear matches; page differs - irrégulier and irréguliers

This is the hard kind. irrégulier and irréguliers are pronounced identically (\i.ʁe.ɡy.lje\) and both work as anadjective. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “irrégulier” sits inside “irréguliers”. Our composite confusion score for this pair is 46998, derived from the frequency rank of both members and their visual similarity.

irrégulier is recorded at frequency rank #21,976, classified as anadj, pronounced \i.ʁe.ɡy.lje\. irréguliers is at rank #25,022, tagged as anadj, pronounced \i.ʁe.ɡy.lje\.

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 46998, this pair ranks #190,433 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of irrégulier vs irréguliers

Shared letters: egilrué. Private to "irrégulier": -. Private to "irréguliers": s.

"irrégulier" · 10 letters · shape VCCVCVCVVC · "irréguliers" · 11 letters · shape VCCVCVCVVCC

Frequently Asked Questions

Can "irrégulier" and "irréguliers" be used interchangeably?

No. They are pronounced the same (\i.ʁe.ɡy.lje\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.

Frequency check: "irrégulier" vs "irréguliers" - which ranks higher?

"irrégulier" is the more common of the two: it sits at frequency rank #21,976 in our French list, against #25,022 for "irréguliers". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

Full dictionary entry for "irrégulier" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "irréguliers" - compare definitions side by side with the headword page. Word entry
This pair ranks #190,433 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"irrégulier" and "irréguliers" also get mixed up with nearby pairs, the highest-scored neighbour is "irrégulières vs irréguliers". Nearby pair

Confusion rank #190,433 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.