Which to use
“pec” is a noun and “peek” is a verb - they look or sound alike but fill different roles in a sentence.
- #47,251
- “pec” frequency rank
- #11,262
- “peek” frequency rank
- 58513
- confusion score
Side-by-Side Comparison
| Feature | pec | peek |
|---|---|---|
| Definition | The pectoralis major muscle. | To look slyly, or with the eyes half closed, or through a crevice; to peep. |
Letter map: pec vs peek
Shared letters muted; letters that set pec and peek apart highlighted. Shared run: 2. pec runs 3 letters (CVC) against peek's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for pec / peek
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pec is anoun and peekaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58513, derived from the frequency rank of both members and their visual similarity.
pec is recorded at frequency rank #47,251, classified as anoun. peek is at rank #11,262, tagged as averb, pronounced /piːk/.
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 58513, this pair ranks #112,046 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of pec vs peek
Shared letters: ep. Private to "pec": c. Private to "peek": k.
"pec" · 3 letters · shape CVC · "peek" · 4 letters · shape CVVC
Known mistypes of this pair
- peek ← epek · peekk · pek · peke · ppeek
Frequently Asked Questions
Can "pec" and "peek" be used interchangeably?
In ordinary English text, does "pec" or "peek" show up more?
Useful next steps
You've compared "pec" and "peek". Here's where to go from here.
- Full dictionary entry for "pec" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "peek" - compare definitions side by side with the headword page. Word entry
- This pair ranks #112,046 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pec" and "peek" also get mixed up with nearby pairs, the highest-scored neighbour is "pec vs PPA". 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 #112,046 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.