cervschierWhich spelling fits?

Quick tell: cer is a noun, chier is a verb, so they fill different roles in a sentence.

Which to use

“cer” is a noun and “chier” is a verb - they look or sound alike but fill different roles in a sentence.

#46,052
“cer” frequency rank
#1,945
“chier” frequency rank
47997
confusion score

Side-by-Side Comparison

Feature cer chier
Definition Ciel. Déféquer.

Where the eye mixes cer and chier

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

3 ch
cer
5 ch
chier

Visual trap between cer and chier

These two trip readers on the page rather than in the ear: cer is \ˈʧeɾ\ while chier is \ʃje\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 47997, derived from the frequency rank of both members and their visual similarity.

cer is recorded at frequency rank #46,052, classified as anoun, pronounced \ˈʧeɾ\. chier is at rank #1,945, tagged as averb, pronounced \ʃje\.

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 47997, this pair ranks #182,473 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cer vs chier

Shared letters: cer. Private to "cer": -. Private to "chier": hi.

"cer" · 3 letters · shape CVC  ·  "chier" · 5 letters · shape CCVVC

Known mistypes of this pair

  • chier ← cchier · cheir · chhier · chierr · chire · ciher · hcier

Frequently Asked Questions

Do "cer" and "chier" mean the same thing in a sentence?
No - they are not even the same part of speech. "cer" is a noun and "chier" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cer" or "chier" show up more?
"chier" is the more common of the two: it sits at frequency rank #1,945 in our French list, against #46,052 for "cer". 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 "cer" and "chier" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chier" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #182,473 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cer" and "chier" also get mixed up with nearby pairs, the highest-scored neighbour is "cer vs ciro". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #182,473 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