Which to use
“roux” and “rub” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,702
- “roux” frequency rank
- #7,494
- “rub” frequency rank
- 36196
- confusion score
Side-by-Side Comparison
| Feature | roux | rub |
|---|---|---|
| Definition | A mixture of fat (usually butter) and flour used to thicken sauces and stews. | An act of rubbing. |
Where the eye mixes roux and rub
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses roux with rub
A purely visual mix-up. roux (/ɹuː/) and rub (/ɹʌb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36196, derived from the frequency rank of both members and their visual similarity.
roux is recorded at frequency rank #28,702, classified as anoun, pronounced /ɹuː/. rub is at rank #7,494, tagged as anoun, pronounced /ɹʌb/.
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 36196, this pair ranks #305,314 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of roux vs rub
Shared letters: ru. Private to "roux": ox. Private to "rub": b.
"roux" · 4 letters · shape CVVC · "rub" · 3 letters · shape CVC
Known mistypes of this pair
- roux ← orux · rouxx · roxu · rroux · ruox
Frequently Asked Questions
Can "roux" and "rub" be used interchangeably?
In ordinary English text, does "roux" or "rub" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "roux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rub" - compare definitions side by side with the headword page. Word entry
- This pair ranks #305,314 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "roux" and "rub" also get mixed up with nearby pairs, the highest-scored neighbour is "roux 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 #305,314 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.