Which to use
“fas” and “fleas” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #27,454
- “fas” frequency rank
- #25,061
- “fleas” frequency rank
- 52515
- confusion score
Side-by-Side Comparison
| Feature | fas | fleas |
|---|---|---|
| Definition | A border or fringe. | plural of flea |
Letter map: fas vs fleas
Shared letters muted; letters that set fas and fleas apart highlighted. Shared run: 3. fas runs 3 letters (CVC) against fleas's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.
Corpus notes: fas and fleas
fas and fleas are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 52515, derived from the frequency rank of both members and their visual similarity.
fas is recorded at frequency rank #27,454, classified as anoun. fleas is at rank #25,061, tagged as anoun, pronounced /ˈfliːz/.
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 52515, this pair ranks #156,393 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fas vs fleas
Shared letters: afs. Private to "fas": -. Private to "fleas": el.
"fas" · 3 letters · shape CVC · "fleas" · 5 letters · shape CCVVC
Known mistypes of this pair
- fleas ← felas · ffleas · flaes · fleass · flesa · flleas · lfeas
Frequently Asked Questions
Is swapping "fas" for "fleas" ever safe?
Frequency check: "fas" vs "fleas" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "fas" and "fleas".
- Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fleas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #156,393 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fas" and "fleas" also get mixed up with nearby pairs, the highest-scored neighbour is "fas 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 #156,393 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.