Which to use
“blau” and “bleu” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,871
- “blau” frequency rank
- #47,273
- “bleu” frequency rank
- 49144
- confusion score
Side-by-Side Comparison
| Feature | blau | bleu |
|---|---|---|
| Definition | eine bunte Farbe, im Spektrum eine relativ kurzwellige Farbe zwischen grün und violett; Grundfarbe vieler Farbmodelle, insbesondere eine der drei Grundfarben des digitalen RGB-Farbraums | eine blass- bis mittelblaue Farbe habend, die ins Grünliche oder Gräuliche geht |
Where the spellings diverge
Shared letters are muted; the letters that actually set blau and bleu apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
blau and bleu form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - a in “blau” becomes e in “bleu” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 49144, derived from the frequency rank of both members and their visual similarity.
blau is recorded at frequency rank #1,871, classified as anadj, pronounced [blaʊ̯]. bleu is at rank #47,273, tagged as anadj, pronounced [bløː].
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 49144, this pair ranks #1,222,495 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "blau" and "bleu" be used interchangeably?
Remembering blau vs bleu
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “blau” entry
- Browse more pairs most likely to be confused. Most confusable