Which to use
“relax” is an adjective and “relu” is a verb - they look or sound alike but fill different roles in a sentence.
- #18,039
- “relax” frequency rank
- #23,341
- “relu” frequency rank
- 41380
- confusion score
Side-by-Side Comparison
| Feature | relax | relu |
|---|---|---|
| Definition | Détendu, relaxant. | Participe passé masculin singulier du verbe relire. |
Where the eye mixes relax and relu
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses relax with relu
These two trip readers on the page rather than in the ear: relax is \ʁə.laks\ while relu is \ʁə.ly\. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 41380, 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\. relu is at rank #23,341, tagged as averb, pronounced \ʁə.ly\.
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 41380, this pair ranks #233,495 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of relax vs relu
Shared letters: elr. Private to "relax": ax. Private to "relu": u.
"relax" · 5 letters · shape CVCVC · "relu" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "relax" for "relu" ever safe?
Frequency check: "relax" vs "relu" - which ranks higher?
Useful next steps
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 "relu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #233,495 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "relax" and "relu" also get mixed up with nearby pairs, the highest-scored neighbour is "relit vs relu". 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 #233,495 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.