Which to use
“proper” is an adjective and “proves” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,961
- “proper” frequency rank
- #6,506
- “proves” frequency rank
- 8467
- confusion score
Side-by-Side Comparison
| Feature | proper | proves |
|---|---|---|
| Definition | Suitable. | third-person singular simple present indicative of prove |
Where the eye mixes proper and proves
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between proper and proves
These two trip readers on the page rather than in the ear: proper is /ˈpɹɔp.ə/ while proves is /pɹuːvz/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 8467, derived from the frequency rank of both members and their visual similarity.
proper is recorded at frequency rank #1,961, classified as anadj, pronounced /ˈpɹɔp.ə/. proves is at rank #6,506, tagged as averb, pronounced /pɹuːvz/.
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 8467, this pair ranks #502,333 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of proper vs proves
Shared letters: eopr. Private to "proper": -. Private to "proves": sv.
"proper" · 6 letters · shape CCVCVC · "proves" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "proper" and "proves" be used interchangeably?
Which is more common, "proper" or "proves"?
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 "proper" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "proves" - compare definitions side by side with the headword page. Word entry
- This pair ranks #502,333 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "proper" and "proves" also get mixed up with nearby pairs, the highest-scored neighbour is "proves vs prunes". 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 #502,333 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.