Which to use
“worsen” is a verb and “worst” is an adjective - they look or sound alike but fill different roles in a sentence.
- #27,032
- “worsen” frequency rank
- #1,259
- “worst” frequency rank
- 28291
- confusion score
Side-by-Side Comparison
| Feature | worsen | worst |
|---|---|---|
| Definition | To make worse; to impair. | superlative form of bad: most bad |
Where the eye mixes worsen and worst
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between worsen and worst
These two trip readers on the page rather than in the ear: worsen is /ˈwɜːsn̩/ while worst is /wɜːst/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28291, derived from the frequency rank of both members and their visual similarity.
worsen is recorded at frequency rank #27,032, classified as averb, pronounced /ˈwɜːsn̩/. worst is at rank #1,259, tagged as anadj, pronounced /wɜːst/.
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 28291, this pair ranks #372,217 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of worsen vs worst
Shared letters: orsw. Private to "worsen": en. Private to "worst": t.
"worsen" · 6 letters · shape CVCCVC · "worst" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Do "worsen" and "worst" mean the same thing in a sentence?
Which is more common, "worsen" or "worst"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "worsen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "worst" - compare definitions side by side with the headword page. Word entry
- This pair ranks #372,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "worsen" and "worst" also get mixed up with nearby pairs, the highest-scored neighbour is "woolen vs worsen". 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 #372,217 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.