Which to use
“poor” is an adjective and “proof” is a noun - they look or sound alike but fill different roles in a sentence.
- #37,976
- “poor” frequency rank
- #43,613
- “proof” frequency rank
- 81589
- confusion score
Side-by-Side Comparison
| Feature | poor | proof |
|---|---|---|
| Definition | Pauvre, indigent. | Preuve (définitive). |
Where the eye mixes poor and proof
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. poor runs 4 letters (CVVC) against proof's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: poor vs proof
These two trip readers on the page rather than in the ear: poor is \ˈpʊɹ\ while proof is \ˈpɹuːf\. 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 81589, derived from the frequency rank of both members and their visual similarity.
poor is recorded at frequency rank #37,976, classified as anadj, pronounced \ˈpʊɹ\. proof is at rank #43,613, tagged as anoun, pronounced \ˈpɹuːf\.
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 81589, this pair ranks #18,429 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of poor vs proof
Shared letters: opr. Private to "poor": -. Private to "proof": f.
"poor" · 4 letters · shape CVVC · "proof" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "poor" and "proof" mean the same thing in a sentence?
Frequency check: "poor" vs "proof" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "poor" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "proof" - compare definitions side by side with the headword page. Word entry
- This pair ranks #18,429 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "poor" and "proof" also get mixed up with nearby pairs, the highest-scored neighbour is "proof vs proud". 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 #18,429 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.