Which to use
“checks” and “checkup” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,218
- “checks” frequency rank
- #33,563
- “checkup” frequency rank
- 37781
- confusion score
Side-by-Side Comparison
| Feature | checks | checkup |
|---|---|---|
| Definition | plural of check | A routine visit to the doctor, dentist, or the like. |
Where the eye mixes checks and checkup
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between checks and checkup
A purely visual mix-up. checks (/t͡ʃɛks/) and checkup (/ˈt͡ʃɛkʌp/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37781, derived from the frequency rank of both members and their visual similarity.
checks is recorded at frequency rank #4,218, classified as anoun, pronounced /t͡ʃɛks/. checkup is at rank #33,563, tagged as anoun, pronounced /ˈt͡ʃɛkʌp/.
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 37781, this pair ranks #291,557 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of checks vs checkup
Shared letters: cehk. Private to "checks": s. Private to "checkup": pu.
"checks" · 6 letters · shape CCVCCC · "checkup" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "checks" and "checkup" mean the same thing in a sentence?
Which is more common, "checks" or "checkup"?
After this comparison
Eye-level mix-up between "checks" and "checkup" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "checks" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "checkup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #291,557 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "checks" and "checkup" also get mixed up with nearby pairs, the highest-scored neighbour is "checker vs checkup". 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 #291,557 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.