peakvspecWhat's the difference?

Which to use

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

#2,847
“peak” frequency rank
#47,251
“pec” frequency rank
50098
confusion score

Side-by-Side Comparison

Feature peak pec
Definition A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap. The pectoralis major muscle.

Letter map: peak vs pec

Shared letters muted; letters that set peak and pec apart highlighted. Shared run: 2.

4 ch
peak
3 ch
pec

Pair insight - peak / pec

peak and pec 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 1 letter(s) in length. Our composite confusion score for this pair is 50098, derived from the frequency rank of both members and their visual similarity.

peak is recorded at frequency rank #2,847, classified as anoun, pronounced /piːk/. pec is at rank #47,251, tagged as anoun.

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 50098, this pair ranks #177,385 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of peak vs pec

Shared letters: ep. Private to "peak": ak. Private to "pec": c.

"peak" · 4 letters · shape CVVC  ·  "pec" · 3 letters · shape CVC

Known mistypes of this pair

  • peakepak · paek · peakk · peka · ppeak

Frequently Asked Questions

Is swapping "peak" for "pec" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "peak" or "pec" show up more?
"peak" is the more common of the two: it sits at frequency rank #2,847 in our English list, against #47,251 for "pec". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "peak" vs "pec" is on the table, pick a follow-up below.

  • Full dictionary entry for "peak" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pec" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #177,385 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "peak" and "pec" 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 #177,385 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