pecvspecanWhat's the difference?

Which to use

“pec” and “pecan” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,251
“pec” frequency rank
#31,697
“pecan” frequency rank
78948
confusion score

Side-by-Side Comparison

Feature pec pecan
Definition The pectoralis major muscle. A deciduous tree, Carya illinoinensis, of the central and southern United States, having deeply furrowed bark, pinnately compound leaves, and edible nuts.

Letter map: pec vs pecan

Shared letters muted; letters that set pec and pecan apart highlighted. Shared run: 3.

3 ch
pec
5 ch
pecan

Corpus notes: pec and pecan

pec and pecan are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “pec” sits inside “pecan”. Our composite confusion score for this pair is 78948, derived from the frequency rank of both members and their visual similarity.

pec is recorded at frequency rank #47,251, classified as anoun. pecan is at rank #31,697, tagged as anoun, pronounced /piːˈkɑːn/.

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 78948, this pair ranks #23,360 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of pec vs pecan

Shared letters: cep. Private to "pec": -. Private to "pecan": an.

"pec" · 3 letters · shape CVC  ·  "pecan" · 5 letters · shape CVCVC

Known mistypes of this pair

  • pecanepcan · pcean · peacn · pecann · peccan · pecna · ppecan

Frequently Asked Questions

Is swapping "pec" for "pecan" ever safe?
No. They differ by 2 extra letter(s) - “pec” sits inside “pecan”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "pec" vs "pecan" - which ranks higher?
"pecan" is the more common of the two: it sits at frequency rank #31,697 in our English list, against #47,251 for "pec". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "pec" and "pecan". Here's where to go from here.

  • Full dictionary entry for "pec" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pecan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,360 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pec" and "pecan" 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 #23,360 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list