BRCA1
/ˌbrækəˈwʌn/
"brca1" is a 4-letter English headword indexed on PlainSpell.
The verdict
“BRCA1” is uncommon English (frequency #58,560 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #58,560
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A human tumor suppressor gene associated with breast cancer.
Corpus desk
Index EN-brca1 · BRCA1 · English
BRCA1 · rank #58,560 · 0 variants · 0 confusables
- FREQ-RARE #58,560
- LEN-MID 5 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH borderless
Nearest frequency peer: borderless (-1 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.
Long-tail ranks near “BRCA1”
Sparse band: bars invert rank so rarer forms read shorter
- Bonney
Bonney
41,443 corpus weight
- borderless
borderless
41,442 corpus weight
- BRCA1
BRCA1
41,441 corpus weight
- breaded
breaded
41,440 corpus weight
- Breivik
Breivik
41,439 corpus weight
- Breslau
Breslau
41,438 corpus weight
What this shows Long-tail view: where “BRCA1” sits against similarly uncommon English ranks.
| 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) |
Long-tail rank of “BRCA1” in English
Rare enough to double-check
BRCA1 is uncommon English at frequency #58,560 among 4,121 “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.
Recorded use
Wiktionary exampleThese source excerpts show how BRCA1 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
I have always told them not to worry, but the truth is I carry a “faulty” gene, BRCA1, which sharply increases my risk of developing breast cancer and ovarian 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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "BRCA1", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).