Which to use
“pass” is a verb and “pus” is a noun - they look or sound alike but fill different roles in a sentence.
- #952
- “pass” frequency rank
- #28,336
- “pus” frequency rank
- 29288
- confusion score
Side-by-Side Comparison
| Feature | pass | pus |
|---|---|---|
| Definition | To change place. | A whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria, normally found in regions of bacterial infection. |
Where the eye mixes pass and pus
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: pass vs pus
These two trip readers on the page rather than in the ear: pass is /pɑːs/ while pus is /pʌs/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29288, derived from the frequency rank of both members and their visual similarity.
pass is recorded at frequency rank #952, classified as averb, pronounced /pɑːs/. pus is at rank #28,336, tagged as anoun, pronounced /pʌs/.
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 29288, this pair ranks #364,211 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of pass vs pus
Shared letters: ps. Private to "pass": a. Private to "pus": u.
"pass" · 4 letters · shape CVCC · "pus" · 3 letters · shape CVC
Known mistypes of this pair
- pass ← apss · ppass · psas
Frequently Asked Questions
Can "pass" and "pus" be used interchangeably?
In ordinary English text, does "pass" or "pus" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #364,211 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pass" and "pus" also get mixed up with nearby pairs, the highest-scored neighbour is "PPA vs pus". 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 #364,211 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.