fermevsferrerTell them apart

Quick tell: ferme is a adjective, ferrer is a verb, so they fill different roles in a sentence.

Which to use

“ferme” is an adjective and “ferrer” is a verb - they look or sound alike but fill different roles in a sentence.

#1,138
“ferme” frequency rank
#22,857
“ferrer” frequency rank
23995
confusion score

Side-by-Side Comparison

Feature ferme ferrer
Definition Qui a de la consistance, qui offre une certaine résistance. Garnir de fer.

Where the eye mixes ferme and ferrer

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
ferme
6 ch
ferrer

Visual trap between ferme and ferrer

These two trip readers on the page rather than in the ear: ferme is \fɛʁm\ while ferrer is \fe.ʁe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 23995, derived from the frequency rank of both members and their visual similarity.

ferme is recorded at frequency rank #1,138, classified as anadj, pronounced \fɛʁm\. ferrer is at rank #22,857, tagged as averb, pronounced \fe.ʁe\.

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 23995, this pair ranks #349,266 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ferme vs ferrer

Shared letters: efr. Private to "ferme": m. Private to "ferrer": -.

"ferme" · 5 letters · shape CVCCV  ·  "ferrer" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fermeefrme · femre · ferem · fermme · ferrme · fferme · freme
  • ferrerefrrer · ferer · fererr · ferrerr · ferrre · fferrer · frerer

Frequently Asked Questions

Can "ferme" and "ferrer" be used interchangeably?
No - they are not even the same part of speech. "ferme" is an adjective and "ferrer" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ferme" vs "ferrer" - which ranks higher?
"ferme" is the more common of the two: it sits at frequency rank #1,138 in our French list, against #22,857 for "ferrer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "ferme" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ferrer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #349,266 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ferme" and "ferrer" also get mixed up with nearby pairs, the highest-scored neighbour is "ferrer vs ferrière". 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 #349,266 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