bervsbleuTell them apart

Quick tell: ber is a noun, bleu is an adjective, so they fill different roles in a sentence.

Which to use

“ber” is a noun and “bleu” is an adjective - they look or sound alike but fill different roles in a sentence.

#48,940
“ber” frequency rank
#1,470
“bleu” frequency rank
50410
confusion score

Side-by-Side Comparison

Feature ber bleu
Definition Appareil de charpente et de cordage, placé sous un grand bâtiment, pour le supporter pendant la construction ou la réparation, et qui glisse sur la cale lorsqu’on lance ce bâtiment à l’eau. De la couleur du ciel en plein jour quand il est dégagé. #0000FF

Where the eye mixes ber and bleu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
ber
4 ch
bleu

Why the eye confuses ber with bleu

These two trip readers on the page rather than in the ear: ber is \bɛʁ\ while bleu is \blø\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50410, derived from the frequency rank of both members and their visual similarity.

ber is recorded at frequency rank #48,940, classified as anoun, pronounced \bɛʁ\. bleu is at rank #1,470, tagged as anadj, pronounced \blø\.

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 50410, this pair ranks #162,888 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ber vs bleu

Shared letters: be. Private to "ber": r. Private to "bleu": lu.

"ber" · 3 letters · shape CVC  ·  "bleu" · 4 letters · shape CCVV

Known mistypes of this pair

  • bleubbleu · belu · blleu · lbeu

Frequently Asked Questions

Can "ber" and "bleu" be used interchangeably?
No - they are not even the same part of speech. "ber" is a noun and "bleu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ber" or "bleu"?
"bleu" is the more common of the two: it sits at frequency rank #1,470 in our French list, against #48,940 for "ber". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "ber" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bleu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #162,888 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ber" and "bleu" also get mixed up with nearby pairs, the highest-scored neighbour is "ber 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 #162,888 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