Which to use
“relax” is an adjective and “rex” is a noun - they look or sound alike but fill different roles in a sentence.
- #18,039
- “relax” frequency rank
- #12,467
- “rex” frequency rank
- 30506
- confusion score
Side-by-Side Comparison
| Feature | relax | rex |
|---|---|---|
| Definition | Détendu, relaxant. | Race de chat, à queue longue ou moyenne et à poil court et ondulé car il n’est constitué que du sous-poil. |
Where the eye mixes relax and rex
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between relax and rex
These two trip readers on the page rather than in the ear: relax is \ʁə.laks\ while rex is \ʁɛks\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 30506, derived from the frequency rank of both members and their visual similarity.
relax is recorded at frequency rank #18,039, classified as anadj, pronounced \ʁə.laks\. rex is at rank #12,467, tagged as anoun, pronounced \ʁɛks\.
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 30506, this pair ranks #309,866 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of relax vs rex
Shared letters: erx. Private to "relax": al. Private to "rex": -.
"relax" · 5 letters · shape CVCVC · "rex" · 3 letters · shape CVC
Known mistypes of this pair
- relax ← erlax · realx · relaxx · rellax · relxa · rleax · rrelax
Frequently Asked Questions
Is swapping "relax" for "rex" ever safe?
Which is more common, "relax" or "rex"?
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 "relax" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rex" - compare definitions side by side with the headword page. Word entry
- This pair ranks #309,866 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "relax" and "rex" also get mixed up with nearby pairs, the highest-scored neighbour is "relax vs relit". 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 #309,866 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.