Which to use
“alley” is a noun and “allo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,634
- “alley” frequency rank
- #40,110
- “allo” frequency rank
- 48744
- confusion score
Side-by-Side Comparison
| Feature | alley | allo |
|---|---|---|
| Definition | A narrow street or passageway, especially one through the middle of a block giving access to the rear of lots of buildings. | Allosexual and/or alloromantic; experiencing sexual and/or romantic attraction. |
Where the eye mixes alley and allo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. alley runs 5 letters (VCCVV) against allo's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses alley with allo
These two trip readers on the page rather than in the ear: alley is /ˈæl.i/ while allo is /ˈæ.ləʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48744, derived from the frequency rank of both members and their visual similarity.
alley is recorded at frequency rank #8,634, classified as anoun, pronounced /ˈæl.i/. allo is at rank #40,110, tagged as anadj, pronounced /ˈæ.ləʊ/.
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 48744, this pair ranks #190,162 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alley vs allo
Shared letters: al. Private to "alley": ey. Private to "allo": o.
"alley" · 5 letters · shape VCCVV · "allo" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "alley" and "allo" be used interchangeably?
Frequency check: "alley" vs "allo" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "alley" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "allo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #190,162 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "alley" and "allo" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs allo". 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 #190,162 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.