reformervsrenfermerTell them apart

Which to use

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

#32,151
“reformer” frequency rank
#48,153
“renfermer” frequency rank
80304
confusion score

Side-by-Side Comparison

Feature reformer renfermer
Definition Former de nouveau. Enfermer de nouveau.

Where the eye mixes reformer and renfermer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
reformer
9 ch
renfermer

Why the eye confuses reformer with renfermer

A purely visual mix-up. reformer (\ʁə.fɔʁ.me\) and renfermer (\ʁɑ̃.fɛʁ.me\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80304, derived from the frequency rank of both members and their visual similarity.

reformer is recorded at frequency rank #32,151, classified as averb, pronounced \ʁə.fɔʁ.me\. renfermer is at rank #48,153, tagged as averb, pronounced \ʁɑ̃.fɛʁ.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 80304, this pair ranks #21,298 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of reformer vs renfermer

Shared letters: efmr. Private to "reformer": o. Private to "renfermer": n.

"reformer" · 8 letters · shape CVCVCCVC  ·  "renfermer" · 9 letters · shape CVCCVCCVC

Known mistypes of this pair

  • reformererformer · refformer · refomrer · reforemr · reformerr · reformmer · reformre · reforrmer
  • renfermerernfermer · refnermer · renefrmer · renfemrer · renferemr · renfermerr · renfermmer · renfermre

Frequently Asked Questions

Can "reformer" and "renfermer" be used interchangeably?
No. They are said differently (\ʁə.fɔʁ.me\ versus \ʁɑ̃.fɛʁ.me\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "reformer" vs "renfermer" - which ranks higher?
"reformer" is the more common of the two: it sits at frequency rank #32,151 in our French list, against #48,153 for "renfermer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "reformer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "renfermer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,298 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "reformer" and "renfermer" also get mixed up with nearby pairs, the highest-scored neighbour is "refermée vs renfermer". 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 #21,298 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