irrégularité vs irrégularités

Which to use

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

#30,227
“irrégularité” frequency rank: #19,324
“irrégularités” frequency rank: 49551
confusion score

Side-by-Side Comparison

Feature	irrégularité	irrégularités
Definition	Caractère de ce qui n’est pas selon les règles, de ce qui ne suit pas les règles.	Pluriel de irrégularité.

Same sound, different letters: irrégularité vs irrégularités

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 12 letters. irrégularité runs 12 letters (VCCVCVCVCVCV) against irrégularités's 13 (VCCVCVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

12 ch

irrégularité

13 ch

irrégularités

Same sound, different spelling - irrégularité / irrégularités

This is the hard kind. irrégularité and irrégularités are pronounced identically (\i.ʁe.ɡy.la.ʁi.te\) and both work as anoun. 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) - “irrégularité” sits inside “irrégularités”. Our composite confusion score for this pair is 49551, derived from the frequency rank of both members and their visual similarity.

irrégularité is recorded at frequency rank #30,227, classified as anoun, pronounced \i.ʁe.ɡy.la.ʁi.te\. irrégularités is at rank #19,324, tagged as anoun, pronounced \i.ʁe.ɡy.la.ʁi.te\.

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 49551, this pair ranks #169,706 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of irrégularité vs irrégularités

Shared letters: agilrtué. Private to "irrégularité": -. Private to "irrégularités": s.

"irrégularité" · 12 letters · shape VCCVCVCVCVCV · "irrégularités" · 13 letters · shape VCCVCVCVCVCVC

Frequently Asked Questions

Is swapping "irrégularité" for "irrégularités" ever safe?

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

Frequency check: "irrégularité" vs "irrégularités" - which ranks higher?

"irrégularités" is the more common of the two: it sits at frequency rank #19,324 in our French list, against #30,227 for "irrégularité". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

Full dictionary entry for "irrégularité" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "irrégularités" - compare definitions side by side with the headword page. Word entry
This pair ranks #169,706 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics

Confusion rank #169,706 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.