Bi vs but, What's the Difference?

Which to use

“Bi” is an abbrev and “but” is a conjunction - they look or sound alike but fill different roles in a sentence.

#6,280
“Bi” frequency rank: #6,402
“but” frequency rank: 12682
confusion score

Side-by-Side Comparison

Feature	Bi	but
Definition	chemisches Symbol für Bismut (auch Bismutum)	aber

Letter map: Bi vs but

Shared letters muted; letters that set Bi and but apart highlighted. Shared run: 1.

2 ch

3 ch

but

Grammar separator: Bi vs but

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Bi is anabbrev and butaconjunction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12682, derived from the frequency rank of both members and their visual similarity.

Bi is recorded at frequency rank #6,280, classified as anabbrev. but is at rank #6,402, tagged as aconj, pronounced [bʌt].

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 12682, this pair ranks #1,962,697 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Bi vs but

Shared letters: b. Private to "Bi": i. Private to "but": tu.

"Bi" · 2 letters · shape CV · "but" · 3 letters · shape CVC

Frequently Asked Questions

Can "Bi" and "but" be used interchangeably?

No - they are not even the same part of speech. "Bi" is an abbrev and "but" a conjunction, so a sentence built for one is usually ungrammatical with the other.

In ordinary German text, does "Bi" or "but" show up more?

"Bi" is the more common of the two: it sits at frequency rank #6,280 in our German list, against #6,402 for "but". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Bi" vs "but" is on the table, pick a follow-up below.

Full dictionary entry for "Bi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "but" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,962,697 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"Bi" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "bic vs but". Nearby pair

Confusion rank #1,962,697 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.