boyvsbutWhat's the difference?

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

Which to use

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

#688
“boy” frequency rank
#25
“but” frequency rank
713
confusion score

Side-by-Side Comparison

Feature boy but
Definition A male child. Apart from, except (for), excluding.

Where the eye mixes boy and but

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
boy
3 ch
but

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: boy is /bɔɪ/ while but is /ˈbʌt/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 713, derived from the frequency rank of both members and their visual similarity.

boy is recorded at frequency rank #688, classified as anoun, pronounced /bɔɪ/. 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 713, this pair ranks #528,929 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of boy vs but

Shared letters: b. Private to "boy": oy. Private to "but": tu.

"boy" · 3 letters · shape CVV  ·  "but" · 3 letters · shape CVC

Frequently Asked Questions

Can "boy" and "but" be used interchangeably?
No - they are not even the same part of speech. "boy" is a noun and "but" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "boy" or "but"?
"but" is the more common of the two: it sits at frequency rank #25 in our English list, against #688 for "boy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "boy" and "but". Here's where to go from here.

  • Full dictionary entry for "boy" 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 #528,929 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "boy" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs boy". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list