CEAvsChaoTell them apart

Which to use

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

#43,561
“CEA” frequency rank
#26,718
“Chao” frequency rank
70279
confusion score

Side-by-Side Comparison

Feature CEA Chao
Definition Initialism of Centre for Effective Altruism. A surname from Chinese.

Letter map: CEA vs Chao

Shared letters muted; letters that set CEA and Chao apart highlighted. Shared run: 2.

3 ch
CEA
4 ch
Chao

Pair insight - CEA / Chao

CEA and Chao 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 70279, derived from the frequency rank of both members and their visual similarity.

CEA is recorded at frequency rank #43,561, classified as aname. Chao is at rank #26,718, tagged as aname, pronounced /t͡ʃaʊ/.

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 70279, this pair ranks #51,168 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of CEA vs Chao

Shared letters: ac. Private to "CEA": e. Private to "Chao": ho.

"CEA" · 3 letters · shape CVV  ·  "Chao" · 4 letters · shape CCVV

Known mistypes of this pair

  • Chaocaho · cchao · chhao · choa · hcao

Frequently Asked Questions

Can "CEA" and "Chao" be used interchangeably?
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.
In ordinary English text, does "CEA" or "Chao" show up more?
"Chao" is the more common of the two: it sits at frequency rank #26,718 in our English list, against #43,561 for "CEA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "CEA" and "Chao". Here's where to go from here.

  • Full dictionary entry for "CEA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Chao" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,168 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "CEA" and "Chao" also get mixed up with nearby pairs, the highest-scored neighbour is "CEA vs CGT". 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 #51,168 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