Which to use
“reflux” is a noun and “relax” is a verb - they look or sound alike but fill different roles in a sentence.
- #29,435
- “reflux” frequency rank
- #4,403
- “relax” frequency rank
- 33838
- confusion score
Side-by-Side Comparison
| Feature | reflux | relax |
|---|---|---|
| Definition | The backwards flow of any fluid. | To make something loose. |
Where the eye mixes reflux and relax
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: reflux vs relax
These two trip readers on the page rather than in the ear: reflux is /ˈɹiː.flʌks/ while relax is /ɹɪˈlæks/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 33838, derived from the frequency rank of both members and their visual similarity.
reflux is recorded at frequency rank #29,435, classified as anoun, pronounced /ˈɹiː.flʌks/. relax is at rank #4,403, tagged as averb, pronounced /ɹɪˈlæks/.
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 33838, this pair ranks #325,968 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of reflux vs relax
Shared letters: elrx. Private to "reflux": fu. Private to "relax": a.
"reflux" · 6 letters · shape CVCCVC · "relax" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "reflux" and "relax" be used interchangeably?
In ordinary English text, does "reflux" or "relax" show up more?
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 "reflux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "relax" - compare definitions side by side with the headword page. Word entry
- This pair ranks #325,968 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "reflux" and "relax" also get mixed up with nearby pairs, the highest-scored neighbour is "redux vs reflux". 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 #325,968 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.