Which to use
“bu” is a verb and “by” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,054
- “bu” frequency rank
- #1,627
- “by” frequency rank
- 16681
- confusion score
Side-by-Side Comparison
| Feature | bu | by |
|---|---|---|
| Definition | Partizip Perfekt Maskulinum Singular des Verbs boire | Stadt |
Where the spellings diverge
Shared letters are muted; the letters that actually set bu and by apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
bu and by 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 - u in “bu” becomes y in “by” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 16681, derived from the frequency rank of both members and their visual similarity.
bu is recorded at frequency rank #15,054, classified as averb, pronounced [by]. by is at rank #1,627, tagged as anoun, pronounced […].
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 16681, this pair ranks #1,933,847 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "bu" and "by" be used interchangeably?
Remembering bu vs by
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “bu”; for a noun, it's “by”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “bu” entry
- Browse more pairs most likely to be confused. Most confusable