bleuvsbueWhat's the difference?

Which to use

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

#1,470
“bleu” frequency rank
#47,195
“bue” frequency rank
48665
confusion score

Side-by-Side Comparison

Feature bleu bue
Definition De la couleur du ciel en plein jour quand il est dégagé. #0000FF Féminin singulier de bu.

Where the eye mixes bleu and bue

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

4 ch
bleu
3 ch
bue

Why the eye confuses bleu with bue

A purely visual mix-up. bleu (\blø\) and bue (\by\) 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 48665, derived from the frequency rank of both members and their visual similarity.

bleu is recorded at frequency rank #1,470, classified as anadj, pronounced \blø\. bue is at rank #47,195, tagged as anadj, pronounced \by\.

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 48665, this pair ranks #177,014 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bleu vs bue

Shared letters: beu. Private to "bleu": l. Private to "bue": -.

"bleu" · 4 letters · shape CCVV  ·  "bue" · 3 letters · shape CVV

Known mistypes of this pair

  • bleubbleu · belu · blleu · lbeu

Frequently Asked Questions

Is swapping "bleu" for "bue" ever safe?
No. They are said differently (\blø\ versus \by\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "bleu" or "bue"?
"bleu" is the more common of the two: it sits at frequency rank #1,470 in our French list, against #47,195 for "bue". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "bleu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bue" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #177,014 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bleu" and "bue" also get mixed up with nearby pairs, the highest-scored neighbour is "bue 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 #177,014 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