Which to use
“Roa” is a name and “roos” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,385
- “Roa” frequency rank
- #35,496
- “roos” frequency rank
- 77881
- confusion score
Side-by-Side Comparison
| Feature | Roa | roos |
|---|---|---|
| Definition | A surname. | plural of roo |
Letter map: Roa vs roos
Shared letters muted; letters that set Roa and roos apart highlighted. Shared run: 2. Roa runs 3 letters (CVV) against roos's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - Roa and roos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Roa is aname and roosanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 77881, derived from the frequency rank of both members and their visual similarity.
Roa is recorded at frequency rank #42,385, classified as aname. roos is at rank #35,496, tagged as anoun, pronounced /ɹuːz/.
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 77881, this pair ranks #26,082 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Roa vs roos
Shared letters: or. Private to "Roa": a. Private to "roos": s.
"Roa" · 3 letters · shape CVV · "roos" · 4 letters · shape CVVC
Known mistypes of this pair
- roos ← oros · rooss · roso · rroos
Frequently Asked Questions
Is swapping "Roa" for "roos" ever safe?
Which is more common, "Roa" or "roos"?
Useful next steps
Pair "Roa" vs "roos" is on the table, pick a follow-up below.
- Full dictionary entry for "Roa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #26,082 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Roa" and "roos" also get mixed up with nearby pairs, the highest-scored neighbour is "Roa vs Rua". 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 #26,082 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.