Which to use
“fac” and “flaw” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,714
- “fac” frequency rank
- #12,978
- “flaw” frequency rank
- 48692
- confusion score
Side-by-Side Comparison
| Feature | fac | flaw |
|---|---|---|
| Definition | A factotum letter, or a similar kind of ornamentally bordered letter formerly used at the start of a chapter or section of a book. | A flake, fragment, or shiver. |
Where the eye mixes fac and flaw
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between fac and flaw
A purely visual mix-up. fac (/fæk/) and flaw (/flɔː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48692, derived from the frequency rank of both members and their visual similarity.
fac is recorded at frequency rank #35,714, classified as anoun, pronounced /fæk/. flaw is at rank #12,978, tagged as anoun, pronounced /flɔː/.
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 48692, this pair ranks #190,644 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fac vs flaw
Shared letters: af. Private to "fac": c. Private to "flaw": lw.
"fac" · 3 letters · shape CVC · "flaw" · 4 letters · shape CCVC
Known mistypes of this pair
- flaw ← falw · fflaw · flaww · fllaw · flwa · lfaw
Frequently Asked Questions
Is swapping "fac" for "flaw" ever safe?
In ordinary English text, does "fac" or "flaw" show up more?
What to do next
Eye-level mix-up between "fac" and "flaw" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fac" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flaw" - compare definitions side by side with the headword page. Word entry
- This pair ranks #190,644 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fac" and "flaw" also get mixed up with nearby pairs, the highest-scored neighbour is "fac vs foh". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #190,644 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.