Which to use
“blau” is an adjective and “bu” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,871
- “blau” frequency rank
- #15,054
- “bu” frequency rank
- 16925
- confusion score
Side-by-Side Comparison
| Feature | blau | bu |
|---|---|---|
| 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 | Partizip Perfekt Maskulinum Singular des Verbs boire |
Where the spellings diverge
Shared letters are muted; the letters that actually set blau and bu apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
blau and bu 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 2 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 16925, 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]. bu is at rank #15,054, tagged as averb, 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 16925, this pair ranks #1,931,883 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "blau" and "bu" be used interchangeably?
Remembering blau vs bu
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “blau”; for a verb, it's “bu”.
- 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