refsvsrexWhat's the difference?

Which to use

“refs” and “rex” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,591
“refs” frequency rank
#8,478
“rex” frequency rank
20069
confusion score

Side-by-Side Comparison

Feature refs rex
Definition A scheduled meal break during a shift. A king, particularly in ancient Rome.

Letter map: refs vs rex

Shared letters muted; letters that set refs and rex apart highlighted. Shared run: 2.

4 ch
refs
3 ch
rex

Spelling & dictionary notes on refs vs rex

refs and rex are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20069, derived from the frequency rank of both members and their visual similarity.

refs is recorded at frequency rank #11,591, classified as anoun. rex is at rank #8,478, tagged as anoun, pronounced /ˈɹɛks/.

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 20069, this pair ranks #433,703 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of refs vs rex

Shared letters: er. Private to "refs": fs. Private to "rex": x.

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

Known mistypes of this pair

  • refserfs · reffs · refss · resf · rfes · rrefs

Frequently Asked Questions

Is swapping "refs" for "rex" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "refs" vs "rex" - which ranks higher?
"rex" is the more common of the two: it sits at frequency rank #8,478 in our English list, against #11,591 for "refs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "refs" and "rex".

  • Full dictionary entry for "refs" 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 #433,703 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "refs" and "rex" also get mixed up with nearby pairs, the highest-scored neighbour is "refs vs Revis". 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 #433,703 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list