BSA
"bsa" is a 3-letter English headword indexed on PlainSpell.
The verdict
“BSA” sits in 20 confusable pairs (corpus #30,346) as a proper noun. The look-alike neighbours are the real trap.
- #30,346
- frequency rank, English
- 4,121
- “B” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Boy Scouts of America.
Corpus desk
Index EN-bsa · BSA · English
BSA · rank #30,346 · 0 variants · 20 confusables
- FREQ-MID #30,346
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH bunches
Nearest frequency peer: bunches (+2 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbourhood for “BSA”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- bottomless
bottomless
69,659 corpus weight
- BPM
BPM
69,658 corpus weight
- BSA
BSA
69,655 corpus weight
- bunches
bunches
69,653 corpus weight
- Burundi
Burundi
69,652 corpus weight
- caddy
caddy
69,650 corpus weight
What this shows Bars show where “BSA” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | BSA |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #30,346 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “BSA” sits in English frequency
Easy to mix with look-alikes
The spelling risk for BSA is neighbouring look-alikes ("by", "Bt", …), not just typos; it is aproper noun. Frequency #30,346 among 4,121 “B” headwords. 3 recorded senses keep meaning in play.
Zero misspellings are on record for BSA in our index, a sign its spelling follows regular English conventions. It also participates in 20 confusable-pair relationships, "by", "Bt", "BW", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is BSA, spelled B-S-A.
Definition
- 1Initialism of Boy Scouts of America.
- 2Initialism of Birmingham Small Arms Company; also (cycling) a type of bottom bracket threading.
- 3Initialism of Bharatiya Sakshya Act, the official evidence act of India.
Recorded use
Wiktionary exampleThese source excerpts show how BSA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
BuzzFeed News previously obtained a letter reportedly from GSUSA President Kathy Hopinkah Hannan, who accused BSA of welcoming girls to help their diminished enrollment numbers.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "BSA", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
What to do next
You've looked up "BSA". Here's where to go from here.
- "BSA" maps to 20 confusable pairs in this vintage; the highest-scored is "by". View pair
- Usage frequency rank #30,346 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "B" letter cohort. B–Z browse
- PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.