reefvsReyWhich spelling fits?

Quick tell: reef is a noun, Rey is a name, so they fill different roles in a sentence.

Which to use

“reef” is a noun and “Rey” is a name - they look or sound alike but fill different roles in a sentence.

#9,240
“reef” frequency rank
#9,813
“Rey” frequency rank
19053
confusion score

Side-by-Side Comparison

Feature reef Rey
Definition A chain or range of rocks, sand, or coral lying at or near the surface of the water. A surname from Spanish.

Letter map: reef vs Rey

Shared letters muted; letters that set reef and Rey apart highlighted. Shared run: 2.

4 ch
reef
3 ch
Rey

Grammar separator: reef vs Rey

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: reef is anoun and Reyaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19053, derived from the frequency rank of both members and their visual similarity.

reef is recorded at frequency rank #9,240, classified as anoun, pronounced /ɹiːf/. Rey is at rank #9,813, tagged as aname.

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 19053, this pair ranks #440,817 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of reef vs Rey

Shared letters: er. Private to "reef": f. Private to "Rey": y.

"reef" · 4 letters · shape CVVC  ·  "Rey" · 3 letters · shape CVV

Known mistypes of this pair

  • reeferef · reeff · refe · rreef

Frequently Asked Questions

Is swapping "reef" for "Rey" ever safe?
No - they are not even the same part of speech. "reef" is a noun and "Rey" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "reef" vs "Rey" - which ranks higher?
"reef" is the more common of the two: it sits at frequency rank #9,240 in our English list, against #9,813 for "Rey". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "reef" and "Rey". Here's where to go from here.

  • Full dictionary entry for "reef" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rey" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #440,817 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "reef" and "Rey" also get mixed up with nearby pairs, the highest-scored neighbour is "Rey vs Rua". 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 #440,817 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