Which to use
“ass” and “assay” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,065
- “ass” frequency rank
- #20,038
- “assay” frequency rank
- 21103
- confusion score
Side-by-Side Comparison
| Feature | ass | assay |
|---|---|---|
| Definition | Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden. | Trial, attempt. |
Where the eye mixes ass and assay
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses ass with assay
A purely visual mix-up. ass (/æs/) and assay (/ˈæseɪ/) 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 2 extra letter(s) - “ass” sits inside “assay”. Our composite confusion score for this pair is 21103, derived from the frequency rank of both members and their visual similarity.
ass is recorded at frequency rank #1,065, classified as anoun, pronounced /æs/. assay is at rank #20,038, tagged as anoun, pronounced /ˈæseɪ/.
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 21103, this pair ranks #426,367 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ass vs assay
Shared letters: as. Private to "ass": -. Private to "assay": y.
"ass" · 3 letters · shape VCC · "assay" · 5 letters · shape VCCVV
Known mistypes of this pair
- assay ← asasy · asay · assayy · assya · sasay
Frequently Asked Questions
Do "ass" and "assay" mean the same thing in a sentence?
Which is more common, "ass" or "assay"?
What to do next
Eye-level mix-up between "ass" and "assay" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "assay" - compare definitions side by side with the headword page. Word entry
- This pair ranks #426,367 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ass" and "assay" also get mixed up with nearby pairs, the highest-scored neighbour is "assay vs Asta". 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 #426,367 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.