Which to use
“pec” is a noun and “pos” is an adjective - they look or sound alike but fill different roles in a sentence.
- #47,251
- “pec” frequency rank
- #11,268
- “pos” frequency rank
- 58519
- confusion score
Side-by-Side Comparison
| Feature | pec | pos |
|---|---|---|
| Definition | The pectoralis major muscle. | Clipping of positive. |
Letter map: pec vs pos
Shared letters muted; letters that set pec and pos apart highlighted. Shared run: 1.
Part-of-speech tell for pec / pos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pec is anoun and posanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 58519, derived from the frequency rank of both members and their visual similarity.
pec is recorded at frequency rank #47,251, classified as anoun. pos is at rank #11,268, tagged as anadj, pronounced /pɒz/.
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 58519, this pair ranks #112,012 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of pec vs pos
Shared letters: p. Private to "pec": ce. Private to "pos": os.
"pec" · 3 letters · shape CVC · "pos" · 3 letters · shape CVC
Frequently Asked Questions
Can "pec" and "pos" be used interchangeably?
Frequency check: "pec" vs "pos" - which ranks higher?
Useful next steps
You've compared "pec" and "pos". Here's where to go from here.
- Full dictionary entry for "pec" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #112,012 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pec" and "pos" also get mixed up with nearby pairs, the highest-scored neighbour is "pec vs PPA". Nearby pair
Confusion rank #112,012 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.