Which to use
“prop” and “PTO” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,112
- “prop” frequency rank
- #36,300
- “PTO” frequency rank
- 46412
- confusion score
Side-by-Side Comparison
| Feature | prop | PTO |
|---|---|---|
| Definition | An object placed against or under another, to support it; anything that supports. | Initialism of parent-teacher organization. |
Letter map: prop vs PTO
Shared letters muted; letters that set prop and PTO apart highlighted. Shared run: 2.
Pair insight - prop / PTO
prop and PTO are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46412, derived from the frequency rank of both members and their visual similarity.
prop is recorded at frequency rank #10,112, classified as anoun, pronounced /pɹɒp/. PTO is at rank #36,300, 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 46412, this pair ranks #211,981 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prop vs PTO
Shared letters: op. Private to "prop": r. Private to "PTO": t.
"prop" · 4 letters · shape CCVC · "PTO" · 3 letters · shape CCV
Known mistypes of this pair
- prop ← porp · pprop · propp · prpo · prrop · rpop
Frequently Asked Questions
Do "prop" and "PTO" mean the same thing in a sentence?
Which is more common, "prop" or "PTO"?
Useful next steps
Done with this confusable. These links stay specific to "prop" and "PTO".
- Full dictionary entry for "prop" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "PTO" - compare definitions side by side with the headword page. Word entry
- This pair ranks #211,981 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "prop" and "PTO" also get mixed up with nearby pairs, the highest-scored neighbour is "PPA vs PTO". 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 #211,981 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.