Which to use
“allele” and “alley” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #32,269
- “allele” frequency rank
- #8,634
- “alley” frequency rank
- 40903
- confusion score
Side-by-Side Comparison
| Feature | allele | alley |
|---|---|---|
| Definition | One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome. | A narrow street or passageway, especially one through the middle of a block giving access to the rear of lots of buildings. |
Where the eye mixes allele and alley
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. allele runs 6 letters (VCCVCV) against alley's 5 (VCCVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between allele and alley
A purely visual mix-up. allele (/ˈæl.iːl/) and alley (/ˈæl.i/) 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 40903, derived from the frequency rank of both members and their visual similarity.
allele is recorded at frequency rank #32,269, classified as anoun, pronounced /ˈæl.iːl/. alley is at rank #8,634, tagged as anoun, pronounced /ˈæl.i/.
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 40903, this pair ranks #263,362 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of allele vs alley
Shared letters: ael. Private to "allele": -. Private to "alley": y.
"allele" · 6 letters · shape VCCVCV · "alley" · 5 letters · shape VCCVV
Known mistypes of this pair
Frequently Asked Questions
Can "allele" and "alley" be used interchangeably?
Frequency check: "allele" vs "alley" - which ranks higher?
Useful next steps
Eye-level mix-up between "allele" and "alley" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "allele" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alley" - compare definitions side by side with the headword page. Word entry
- This pair ranks #263,362 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "allele" and "alley" also get mixed up with nearby pairs, the highest-scored neighbour is "allele vs allude". 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 #263,362 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.