bunkvsbutWhich spelling fits?

Quick tell: bunk is a noun, but is a preposition, so they fill different roles in a sentence.

Which to use

“bunk” is a noun and “but” is a preposition - they look or sound alike but fill different roles in a sentence.

#15,972
“bunk” frequency rank
#25
“but” frequency rank
15997
confusion score

Side-by-Side Comparison

Feature bunk but
Definition One of a series of berths or beds placed in tiers. Apart from, except (for), excluding.

Where the eye mixes bunk and but

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

4 ch
bunk
3 ch
but

Visual trap between bunk and but

These two trip readers on the page rather than in the ear: bunk is /bʌŋk/ while but is /ˈbʌt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 15997, derived from the frequency rank of both members and their visual similarity.

bunk is recorded at frequency rank #15,972, classified as anoun, pronounced /bʌŋk/. but is at rank #25, tagged as aprep, pronounced /ˈbʌt/.

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 15997, this pair ranks #460,528 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bunk vs but

Shared letters: bu. Private to "bunk": kn. Private to "but": t.

"bunk" · 4 letters · shape CVCC  ·  "but" · 3 letters · shape CVC

Known mistypes of this pair

  • bunkbbunk · bnuk · bukn · bunkk · bunnk · ubnk

Frequently Asked Questions

Can "bunk" and "but" be used interchangeably?
No - they are not even the same part of speech. "bunk" is a noun and "but" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "bunk" or "but" show up more?
"but" is the more common of the two: it sits at frequency rank #25 in our English list, against #15,972 for "bunk". 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 "bunk" 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 #460,528 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bunk" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "Bruni vs bunk". 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 #460,528 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list