peckvspecsWhat's the difference?

Quick tell: peck is a verb, pecs is a noun, so they fill different roles in a sentence.

Which to use

“peck” is a verb and “pecs” is a noun - they look or sound alike but fill different roles in a sentence.

#15,877
“peck” frequency rank
#49,538
“pecs” frequency rank
65415
confusion score

Side-by-Side Comparison

Feature peck pecs
Definition To strike or pierce with the beak or bill (of a bird). plural of pec

Where the eye mixes peck and pecs

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
peck
4 ch
pecs

Why the eye confuses peck with pecs

These two trip readers on the page rather than in the ear: peck is /pɛk/ while pecs is /pɛks/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - k in “peck” becomes s in “pecs”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 65415, derived from the frequency rank of both members and their visual similarity.

peck is recorded at frequency rank #15,877, classified as averb, pronounced /pɛk/. pecs is at rank #49,538, tagged as anoun, pronounced /pɛks/.

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 65415, this pair ranks #72,858 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of peck vs pecs

Shared letters: cep. Private to "peck": k. Private to "pecs": s.

"peck" · 4 letters · shape CVCC  ·  "pecs" · 4 letters · shape CVCC

Known mistypes of this pair

  • peckepck · pcek · pecck · peckk · pekc · ppeck
  • pecsepcs · pces · peccs · pecss · pesc · ppecs

Frequently Asked Questions

Is swapping "peck" for "pecs" ever safe?
No - they are not even the same part of speech. "peck" is a verb and "pecs" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "peck" or "pecs" show up more?
"peck" is the more common of the two: it sits at frequency rank #15,877 in our English list, against #49,538 for "pecs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "peck" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pecs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,858 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "peck" and "pecs" also get mixed up with nearby pairs, the highest-scored neighbour is "peasy vs pecs". 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 #72,858 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