BSAvsbutConfusable pair

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

Which to use

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

#30,346
“BSA” frequency rank
#25
“but” frequency rank
30371
confusion score

Side-by-Side Comparison

Feature BSA but
Definition Initialism of Boy Scouts of America. Apart from, except (for), excluding.

Letter map: BSA vs but

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

3 ch
BSA
3 ch
but

Part-of-speech tell for BSA / but

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: BSA is aname and butapreposition. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 30371, derived from the frequency rank of both members and their visual similarity.

BSA is recorded at frequency rank #30,346, classified as aname. 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 30371, this pair ranks #355,084 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of BSA vs but

Shared letters: b. Private to "BSA": as. Private to "but": tu.

"BSA" · 3 letters · shape CCV  ·  "but" · 3 letters · shape CVC

Frequently Asked Questions

Do "BSA" and "but" mean the same thing in a sentence?
No - they are not even the same part of speech. "BSA" is a name and "but" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "BSA" or "but"?
"but" is the more common of the two: it sits at frequency rank #25 in our English list, against #30,346 for "BSA". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "BSA" 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 #355,084 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "BSA" and "but" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs BSA". Nearby pair

Confusion rank #355,084 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