cpavsculWhat's the difference?

Quick tell: cpa is a particle, cul is a noun, so they fill different roles in a sentence.

Which to use

“cpa” is a particle and “cul” is a noun - they look or sound alike but fill different roles in a sentence.

#38,736
“cpa” frequency rank
#999
“cul” frequency rank
39735
confusion score

Side-by-Side Comparison

Feature cpa cul
Definition Neuf. Derrière d’un animal, d’un humain, ses fesses, son postérieur.

Where the eye mixes cpa and cul

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
cpa
3 ch
cul

Look-alike desk: cpa vs cul

These two trip readers on the page rather than in the ear: cpa is \tspa\ while cul is \ky\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (particle vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39735, derived from the frequency rank of both members and their visual similarity.

cpa is recorded at frequency rank #38,736, classified as aparticle, pronounced \tspa\. cul is at rank #999, tagged as anoun, pronounced \ky\.

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 39735, this pair ranks #245,768 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cpa vs cul

Shared letters: c. Private to "cpa": ap. Private to "cul": lu.

"cpa" · 3 letters · shape CCV  ·  "cul" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "cpa" for "cul" ever safe?
No - they are not even the same part of speech. "cpa" is a particle and "cul" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cpa" or "cul" show up more?
"cul" is the more common of the two: it sits at frequency rank #999 in our French list, against #38,736 for "cpa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "cpa" and "cul" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cpa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cul" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #245,768 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cpa" and "cul" also get mixed up with nearby pairs, the highest-scored neighbour is "coupa vs cpa". Nearby pair

Confusion rank #245,768 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