Which to use
“rest” is a noun and “rusty” is an adjective - they look or sound alike but fill different roles in a sentence.
- #594
- “rest” frequency rank
- #12,855
- “rusty” frequency rank
- 13449
- confusion score
Side-by-Side Comparison
| Feature | rest | rusty |
|---|---|---|
| Definition | Relief from work or activity by sleeping; sleep. | Marked or corroded by rust. |
Where the eye mixes rest and rusty
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between rest and rusty
These two trip readers on the page rather than in the ear: rest is /ɹɛst/ while rusty is /ˈɹʌsti/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 13449, derived from the frequency rank of both members and their visual similarity.
rest is recorded at frequency rank #594, classified as anoun, pronounced /ɹɛst/. rusty is at rank #12,855, tagged as anadj, pronounced /ˈɹʌsti/.
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 13449, this pair ranks #475,740 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rest vs rusty
Shared letters: rst. Private to "rest": e. Private to "rusty": uy.
"rest" · 4 letters · shape CVCC · "rusty" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rest" for "rusty" ever safe?
Which is more common, "rest" or "rusty"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "rest" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rusty" - compare definitions side by side with the headword page. Word entry
- This pair ranks #475,740 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "rest" and "rusty" also get mixed up with nearby pairs, the highest-scored neighbour is "raspy vs rusty". 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 #475,740 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.