Which to use
“sick” is an adjective and “smock” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,410
- “sick” frequency rank
- #49,052
- “smock” frequency rank
- 50462
- confusion score
Side-by-Side Comparison
| Feature | sick | smock |
|---|---|---|
| Definition | In poor health; ill. | A type of undergarment worn by women; a shift or slip. |
Where the eye mixes sick and smock
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sick runs 4 letters (CVCC) against smock's 5 (CCVCC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: sick vs smock
These two trip readers on the page rather than in the ear: sick is /ˈsɪk/ while smock is /smɒk/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 50462, derived from the frequency rank of both members and their visual similarity.
sick is recorded at frequency rank #1,410, classified as anadj, pronounced /ˈsɪk/. smock is at rank #49,052, tagged as anoun, pronounced /smɒk/.
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 50462, this pair ranks #174,052 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sick vs smock
Shared letters: cks. Private to "sick": i. Private to "smock": mo.
"sick" · 4 letters · shape CVCC · "smock" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sick" for "smock" ever safe?
Frequency check: "sick" vs "smock" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sick" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "smock" - compare definitions side by side with the headword page. Word entry
- This pair ranks #174,052 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sick" and "smock" also get mixed up with nearby pairs, the highest-scored neighbour is "smock vs soca". 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 #174,052 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.