BRCA1
/ˌbrækəˈwʌn/
"brca1" is a 4-letter English headword indexed on PlainSpell.
The verdict
“BRCA1” is uncommon English (frequency #58,560 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #58,560
- frequency rank, English
- 31,241
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A human tumor suppressor gene associated with breast cancer.
| Property | Value |
|---|---|
| Headword | BRCA1 |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌbrækəˈwʌn/ |
| Letters | 5 |
| Frequency rank | #58,560 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “BRCA1” sits in English frequency
Rare enough to double-check
BRCA1 is uncommon English at frequency #58,560 among 31,241 “B” headwords, classed as anoun, transcribed /ˌbrækəˈwʌn/. Rarity is why readers land here mid-draft. Gloss: "A human tumor suppressor gene associated with breast cancer.".
We couldn't generate a plausible misspelling set for BRCA1, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This entry carries no recorded etymology, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is BRCA1, spelled B-R-C-A-1.
Definition
- 1A human tumor suppressor gene associated with breast cancer.
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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Using “BRCA1”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-R-C-A-1 - every other letter order is a misspelling in standard orthography.
- Say it as /ˌbrækəˈwʌn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.