Which to use
“rob” is a verb and “roux” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,979
- “rob” frequency rank
- #28,702
- “roux” frequency rank
- 32681
- confusion score
Side-by-Side Comparison
| Feature | rob | roux |
|---|---|---|
| Definition | To steal from, especially using force or violence. | A mixture of fat (usually butter) and flour used to thicken sauces and stews. |
Where the eye mixes rob and roux
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: rob vs roux
These two trip readers on the page rather than in the ear: rob is /ɹɔb/ while roux is /ɹuː/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32681, derived from the frequency rank of both members and their visual similarity.
rob is recorded at frequency rank #3,979, classified as averb, pronounced /ɹɔb/. 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 32681, this pair ranks #335,804 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rob vs roux
Shared letters: or. Private to "rob": b. Private to "roux": ux.
"rob" · 3 letters · shape CVC · "roux" · 4 letters · shape CVVC
Known mistypes of this pair
- roux ← orux · rouxx · roxu · rroux · ruox
Frequently Asked Questions
Can "rob" and "roux" be used interchangeably?
Which is more common, "rob" or "roux"?
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 "rob" 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 #335,804 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "rob" and "roux" 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 #335,804 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.