chocvscosWhat's the difference?

Which to use

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

#44,687
“choc” frequency rank
#6,553
“cos” frequency rank
51240
confusion score

Side-by-Side Comparison

Feature choc cos
Definition Clipping of chocolate. Synonym of romaine lettuce, a long-leaved variety of lettuce.

Where the eye mixes choc and cos

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

4 ch
choc
3 ch
cos

Look-alike desk: choc vs cos

A purely visual mix-up. choc (/t͡ʃɒk/) and cos (/kɑs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51240, derived from the frequency rank of both members and their visual similarity.

choc is recorded at frequency rank #44,687, classified as anoun, pronounced /t͡ʃɒk/. cos is at rank #6,553, tagged as anoun, pronounced /kɑs/.

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 51240, this pair ranks #167,126 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of choc vs cos

Shared letters: co. Private to "choc": h. Private to "cos": s.

"choc" · 4 letters · shape CCVC  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • choccchoc · chco · chhoc · chocc · cohc · hcoc

Frequently Asked Questions

Do "choc" and "cos" mean the same thing in a sentence?
No. They are said differently (/t͡ʃɒk/ versus /kɑs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "choc" or "cos"?
"cos" is the more common of the two: it sits at frequency rank #6,553 in our English list, against #44,687 for "choc". 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 "choc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,126 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "choc" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "choc vs Clo". 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 #167,126 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