codvscosWhat's the difference?

Which to use

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

#26,359
“cod” frequency rank
#23,736
“cos” frequency rank
50095
confusion score

Side-by-Side Comparison

Feature cod cos
Definition (Gadus morhua) Bacalao, abadejo. Cuerpo.

Where the eye mixes cod and cos

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

3 ch
cod
3 ch
cos

Why the eye confuses cod with cos

A purely visual mix-up. cod (/kɒd/) and cos ([ˈkos]) 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 a single letter - d in “cod” becomes s in “cos”. Our composite confusion score for this pair is 50095, derived from the frequency rank of both members and their visual similarity.

cod is recorded at frequency rank #26,359, classified as anoun, pronounced /kɒd/. cos is at rank #23,736, tagged as anoun, pronounced [ˈkos].

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 50095, this pair ranks #105,119 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cod vs cos

Shared letters: co. Private to "cod": d. Private to "cos": s.

"cod" · 3 letters · shape CVC  ·  "cos" · 3 letters · shape CVC

Frequently Asked Questions

Can "cod" and "cos" be used interchangeably?
No. They are said differently (/kɒd/ versus [ˈkos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "cod" or "cos" show up more?
"cos" is the more common of the two: it sits at frequency rank #23,736 in our Spanish list, against #26,359 for "cod". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cod" 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 #105,119 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cod" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "cod vs cuc". Nearby pair

Confusion rank #105,119 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list