compvscopWhat's the difference?

Quick tell: comp is a adjective, cop is a verb, so they fill different roles in a sentence.

Which to use

“comp” is an adjective and “cop” is a verb - they look or sound alike but fill different roles in a sentence.

#8,911
“comp” frequency rank
#3,804
“cop” frequency rank
12715
confusion score

Side-by-Side Comparison

Feature comp cop
Definition Clipping of complimentary. to capture or arrest someone

Where the eye mixes comp and cop

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

4 ch
comp
3 ch
cop

Look-alike desk: comp vs cop

These two trip readers on the page rather than in the ear: comp is /kɒmp/ while cop is /kɒp/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 12715, derived from the frequency rank of both members and their visual similarity.

comp is recorded at frequency rank #8,911, classified as anadj, pronounced /kɒmp/. cop is at rank #3,804, tagged as averb, pronounced /kɒp/.

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 12715, this pair ranks #479,945 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of comp vs cop

Shared letters: cop. Private to "comp": m. Private to "cop": -.

"comp" · 4 letters · shape CVCC  ·  "cop" · 3 letters · shape CVC

Known mistypes of this pair

  • compccomp · cmop · commp · compp · copm · ocmp

Frequently Asked Questions

Is swapping "comp" for "cop" ever safe?
No - they are not even the same part of speech. "comp" is an adjective and "cop" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "comp" or "cop"?
"cop" is the more common of the two: it sits at frequency rank #3,804 in our English list, against #8,911 for "comp". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "comp" and "cop" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "comp" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cop" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #479,945 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "comp" and "cop" also get mixed up with nearby pairs, the highest-scored neighbour is "comp vs coms". 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 #479,945 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