Which to use
“smart” is a verb and “smarts” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,578
- “smart” frequency rank
- #30,974
- “smarts” frequency rank
- 32552
- confusion score
Side-by-Side Comparison
| Feature | smart | smarts |
|---|---|---|
| Definition | To hurt or sting. | intelligence; smartness |
Letter map: smart vs smarts
Shared letters muted; letters that set smart and smarts apart highlighted. Shared run: 5.
Role in the sentence - smart and smarts
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: smart is averb and smartsanoun. On the page they differ by 1 extra letter(s) - “smart” sits inside “smarts”. Our composite confusion score for this pair is 32552, derived from the frequency rank of both members and their visual similarity.
smart is recorded at frequency rank #1,578, classified as averb, pronounced /smɑɹt/. smarts is at rank #30,974, 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 32552, this pair ranks #336,829 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of smart vs smarts
Shared letters: amrst. Private to "smart": -. Private to "smarts": -.
"smart" · 5 letters · shape CCVCC · "smarts" · 6 letters · shape CCVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "smart" for "smarts" ever safe?
Which is more common, "smart" or "smarts"?
After this comparison
Pair "smart" vs "smarts" is on the table, pick a follow-up below.
- Full dictionary entry for "smart" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "smarts" - compare definitions side by side with the headword page. Word entry
- This pair ranks #336,829 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "smart" and "smarts" also get mixed up with nearby pairs, the highest-scored neighbour is "smartass vs smarts". 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 #336,829 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.