pèresvspérimésTell them apart

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

Which to use

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

#5,596
“pères” frequency rank
#41,990
“périmés” frequency rank
47586
confusion score

Side-by-Side Comparison

Feature pères périmés
Definition Pluriel de père. Masculin pluriel de périmé.

Where the eye mixes pères and périmés

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. pères runs 5 letters (CVCVC) against périmés's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
pères
7 ch
périmés

Why the eye confuses pères with périmés

These two trip readers on the page rather than in the ear: pères is \pɛʁ\ while périmés is \pe.ʁi.me\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 47586, derived from the frequency rank of both members and their visual similarity.

pères is recorded at frequency rank #5,596, classified as anoun, pronounced \pɛʁ\. périmés is at rank #41,990, tagged as anadj, pronounced \pe.ʁi.me\.

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 47586, this pair ranks #185,772 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pères vs périmés

Shared letters: prs. Private to "pères": . Private to "périmés": imé.

"pères" · 5 letters · shape CVCVC  ·  "périmés" · 7 letters · shape CVCVCVC

Frequently Asked Questions

Is swapping "pères" for "périmés" ever safe?
No - they are not even the same part of speech. "pères" is a noun and "périmés" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pères" or "périmés"?
"pères" is the more common of the two: it sits at frequency rank #5,596 in our French list, against #41,990 for "périmés". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pères" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "périmés" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #185,772 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pères" and "périmés" also get mixed up with nearby pairs, the highest-scored neighbour is "périmés vs primée". Nearby pair

Confusion rank #185,772 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