Which to use
“peg” and “perp” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,243
- “peg” frequency rank
- #44,400
- “perp” frequency rank
- 59643
- confusion score
Side-by-Side Comparison
| Feature | peg | perp |
|---|---|---|
| Definition | A cylindrical wooden or metal object used to fasten or as a bearing between objects. | A perpetrator. |
Where the eye mixes peg and perp
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses peg with perp
A purely visual mix-up. peg (/pɛɡ/) and perp (/pɝp/) 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 59643, derived from the frequency rank of both members and their visual similarity.
peg is recorded at frequency rank #15,243, classified as anoun, pronounced /pɛɡ/. perp is at rank #44,400, tagged as anoun, pronounced /pɝp/.
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 59643, this pair ranks #104,943 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of peg vs perp
Shared letters: ep. Private to "peg": g. Private to "perp": r.
"peg" · 3 letters · shape CVC · "perp" · 4 letters · shape CVCC
Known mistypes of this pair
- perp ← eprp · pepr · perpp · perrp · pperp
Frequently Asked Questions
Can "peg" and "perp" be used interchangeably?
Which is more common, "peg" or "perp"?
What to do next
Eye-level mix-up between "peg" and "perp" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "peg" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perp" - compare definitions side by side with the headword page. Word entry
- This pair ranks #104,943 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "peg" and "perp" 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 #104,943 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.