betvsbutTell them apart

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

Which to use

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

#1,684
“bet” frequency rank
#25
“but” frequency rank
1709
confusion score

Side-by-Side Comparison

Feature bet but
Definition A wager, an agreement between two parties that a stake (usually money) will be paid by the loser to the winner (the winner being the one who correctly forecast the outcome of an event). Apart from, except (for), excluding.

Where the eye mixes bet and but

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

3 ch
bet
3 ch
but

Why the eye confuses bet with but

These two trip readers on the page rather than in the ear: bet is /ˈbɛt/ while but is /ˈbʌt/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “bet” becomes u in “but”, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 1709, derived from the frequency rank of both members and their visual similarity.

bet is recorded at frequency rank #1,684, classified as anoun, pronounced /ˈbɛt/. 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 1709, this pair ranks #526,836 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bet vs but

Shared letters: bt. Private to "bet": e. Private to "but": u.

"bet" · 3 letters · shape CVC  ·  "but" · 3 letters · shape CVC

Frequently Asked Questions

Can "bet" and "but" be used interchangeably?
No - they are not even the same part of speech. "bet" is a noun and "but" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bet" or "but"?
"but" is the more common of the two: it sits at frequency rank #25 in our English list, against #1,684 for "bet". 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 "bet" 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 #526,836 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bet" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "bet vs BFS". Nearby pair

Confusion rank #526,836 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