RoavsrouxWhich spelling fits?

Quick tell: Roa is a name, roux is a noun, so they fill different roles in a sentence.

Which to use

“Roa” is a name and “roux” is a noun - they look or sound alike but fill different roles in a sentence.

#42,385
“Roa” frequency rank
#28,702
“roux” frequency rank
71087
confusion score

Side-by-Side Comparison

Feature Roa roux
Definition A surname. A mixture of fat (usually butter) and flour used to thicken sauces and stews.

Letter map: Roa vs roux

Shared letters muted; letters that set Roa and roux apart highlighted. Shared run: 2. Roa runs 3 letters (CVV) against roux's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
Roa
4 ch
roux

Part-of-speech tell for Roa / roux

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Roa is aname and rouxanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71087, derived from the frequency rank of both members and their visual similarity.

Roa is recorded at frequency rank #42,385, classified as aname. roux is at rank #28,702, tagged as anoun, pronounced /ɹuː/.

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 71087, this pair ranks #48,050 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Roa vs roux

Shared letters: or. Private to "Roa": a. Private to "roux": ux.

"Roa" · 3 letters · shape CVV  ·  "roux" · 4 letters · shape CVVC

Known mistypes of this pair

  • roux ← orux · rouxx · roxu · rroux · ruox

Frequently Asked Questions

Is swapping "Roa" for "roux" ever safe?
No - they are not even the same part of speech. "Roa" is a name and "roux" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Roa" vs "roux" - which ranks higher?
"roux" is the more common of the two: it sits at frequency rank #28,702 in our English list, against #42,385 for "Roa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Roa" and "roux".

  • Full dictionary entry for "Roa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "roux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,050 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Roa" and "roux" 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 #48,050 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list