ReflexvsrelaxWhich spelling fits?

Quick tell: Reflex is a noun, relax is a verb, so they fill different roles in a sentence.

Which to use

“Reflex” is a noun and “relax” is a verb - they look or sound alike but fill different roles in a sentence.

#19,687
“Reflex” frequency rank
#36,589
“relax” frequency rank
56276
confusion score

Side-by-Side Comparison

Feature Reflex relax
Definition nicht kontrollierbare Bewegung 2. Person Singular Imperativ Präsens Aktiv des Verbs relaxen

Where the eye mixes Reflex and relax

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
Reflex
5 ch
relax

Visual trap between Reflex and relax

These two trip readers on the page rather than in the ear: Reflex is [ʁeˈflɛks] while relax is [ʁiˈlɛks]. 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 56276, derived from the frequency rank of both members and their visual similarity.

Reflex is recorded at frequency rank #19,687, classified as anoun, pronounced [ʁeˈflɛks]. relax is at rank #36,589, tagged as averb, pronounced [ʁiˈlɛks].

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 56276, this pair ranks #946,551 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Reflex vs relax

Shared letters: elrx. Private to "Reflex": f. Private to "relax": a.

"Reflex" · 6 letters · shape CVCCVC  ·  "relax" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Reflexerflex · refelx · refflex · reflexx · refllex · reflxe · relfex · rfelex
  • relaxerlax · realx · relaxx · rellax · relxa · rleax · rrelax

Frequently Asked Questions

Do "Reflex" and "relax" mean the same thing in a sentence?
No - they are not even the same part of speech. "Reflex" is a noun and "relax" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Reflex" or "relax"?
"Reflex" is the more common of the two: it sits at frequency rank #19,687 in our German list, against #36,589 for "relax". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Reflex" 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 #946,551 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Reflex" and "relax" also get mixed up with nearby pairs, the highest-scored neighbour is "Relais vs relax". 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 #946,551 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list