Which to use
“perp” is a noun and “pers” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #44,400
- “perp” frequency rank
- #36,278
- “pers” frequency rank
- 80678
- confusion score
Side-by-Side Comparison
| Feature | perp | pers |
|---|---|---|
| Definition | A perpetrator. | That which belongs to per, theirs (singular): possessive case of per, used in place of a noun. |
Letter map: perp vs pers
Shared letters muted; letters that set perp and pers apart highlighted. Shared run: 3. perp and pers follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - perp and pers
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: perp is anoun and persapronoun. On the page they differ by a single letter - p in “perp” becomes s in “pers”. Our composite confusion score for this pair is 80678, derived from the frequency rank of both members and their visual similarity.
perp is recorded at frequency rank #44,400, classified as anoun, pronounced /pɝp/. pers is at rank #36,278, tagged as apron.
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 80678, this pair ranks #19,288 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of perp vs pers
Shared letters: epr. Private to "perp": -. Private to "pers": s.
"perp" · 4 letters · shape CVCC · "pers" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Can "perp" and "pers" be used interchangeably?
Frequency check: "perp" vs "pers" - which ranks higher?
After this comparison
You've compared "perp" and "pers". Here's where to go from here.
- Full dictionary entry for "perp" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pers" - compare definitions side by side with the headword page. Word entry
- This pair ranks #19,288 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "perp" and "pers" also get mixed up with nearby pairs, the highest-scored neighbour is "pecs vs perp". 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 #19,288 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.