brumevsbumWhich spelling fits?

Which to use

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

#14,870
“brume” frequency rank
#42,205
“bum” frequency rank
57075
confusion score

Side-by-Side Comparison

Feature brume bum
Definition Brouillard avec une visibilité supérieure à un kilomètre, surtout en parlant des brouillards de mer. Personne antisociale aux manières insolentes, qui a un penchant pour l’intimidation et la délinquance.

Where the eye mixes brume and bum

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
brume
3 ch
bum

Why the eye confuses brume with bum

A purely visual mix-up. brume (\bʁym\) and bum (\bɔm\) 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 2 letter(s) in length. Our composite confusion score for this pair is 57075, derived from the frequency rank of both members and their visual similarity.

brume is recorded at frequency rank #14,870, classified as anoun, pronounced \bʁym\. bum is at rank #42,205, tagged as anoun, pronounced \bɔm\.

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 57075, this pair ranks #117,182 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of brume vs bum

Shared letters: bmu. Private to "brume": er. Private to "bum": -.

"brume" · 5 letters · shape CCVCV  ·  "bum" · 3 letters · shape CVC

Known mistypes of this pair

  • brumebbrume · brmue · brrume · bruem · brumme · burme · rbume

Frequently Asked Questions

Is swapping "brume" for "bum" ever safe?
No. They are said differently (\bʁym\ versus \bɔm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "brume" vs "bum" - which ranks higher?
"brume" is the more common of the two: it sits at frequency rank #14,870 in our French list, against #42,205 for "bum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "brume" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #117,182 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "brume" and "bum" also get mixed up with nearby pairs, the highest-scored neighbour is "bum vs bury". 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 #117,182 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