Which to use
“comp” is an adjective and “cum” is a preposition - they look or sound alike but fill different roles in a sentence.
- #8,911
- “comp” frequency rank
- #6,672
- “cum” frequency rank
- 15583
- confusion score
Side-by-Side Comparison
| Feature | comp | cum |
|---|---|---|
| Definition | Clipping of complimentary. | Used in indicating a thing or person which has two or more roles, functions, or natures, or which has changed from one to another. |
Where the eye mixes comp and cum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between comp and cum
These two trip readers on the page rather than in the ear: comp is /kɒmp/ while cum is /kʌm/. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 15583, 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/. cum is at rank #6,672, tagged as aprep, pronounced /kʌm/.
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 15583, this pair ranks #463,084 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of comp vs cum
Shared letters: cm. Private to "comp": op. Private to "cum": u.
"comp" · 4 letters · shape CVCC · "cum" · 3 letters · shape CVC
Known mistypes of this pair
- comp ← ccomp · cmop · commp · compp · copm · ocmp
Frequently Asked Questions
Is swapping "comp" for "cum" ever safe?
Which is more common, "comp" or "cum"?
What to do next
Eye-level mix-up between "comp" and "cum" 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 "cum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #463,084 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "comp" and "cum" 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 #463,084 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.