restvsrexWhat's the difference?

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

Which to use

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

#24,744
“rest” frequency rank
#12,467
“rex” frequency rank
37211
confusion score

Side-by-Side Comparison

Feature rest rex
Definition Troisième personne du singulier de l’indicatif présent du verbe rêtre. 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 rest and rex

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
rest
3 ch
rex

Visual trap between rest and rex

These two trip readers on the page rather than in the ear: rest is \ʁɛ\ while rex is \ʁɛks\. 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 37211, derived from the frequency rank of both members and their visual similarity.

rest is recorded at frequency rank #24,744, classified as averb, pronounced \ʁɛ\. 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 37211, this pair ranks #264,088 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rest vs rex

Shared letters: er. Private to "rest": st. Private to "rex": x.

"rest" · 4 letters · shape CVCC  ·  "rex" · 3 letters · shape CVC

Known mistypes of this pair

  • resterst · resst · restt · rets · rrest · rset

Frequently Asked Questions

Can "rest" and "rex" be used interchangeably?
No - they are not even the same part of speech. "rest" is a verb and "rex" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "rest" or "rex"?
"rex" is the more common of the two: it sits at frequency rank #12,467 in our French list, against #24,744 for "rest". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "rest" 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 #264,088 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rest" and "rex" also get mixed up with nearby pairs, the highest-scored neighbour is "relit vs rest". 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 #264,088 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list