cofvscosWhat's the difference?

Which to use

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

#44,053
“cof” frequency rank
#23,736
“cos” frequency rank
67789
confusion score

Side-by-Side Comparison

Feature cof cos
Definition Imita el ruido que se hace al toser. Cuerpo.

Where the eye mixes cof and cos

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

3 ch
cof
3 ch
cos

Visual trap between cof and cos

A purely visual mix-up. cof ([ˈkof]) 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 - f in “cof” becomes s in “cos”. Our composite confusion score for this pair is 67789, derived from the frequency rank of both members and their visual similarity.

cof is recorded at frequency rank #44,053, classified as anoun, pronounced [ˈkof]. 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 67789, this pair ranks #36,218 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of cof vs cos

Shared letters: co. Private to "cof": f. Private to "cos": s.

"cof" · 3 letters · shape CVC  ·  "cos" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "cof" for "cos" ever safe?
No. They are said differently ([ˈkof] versus [ˈkos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cof" or "cos"?
"cos" is the more common of the two: it sits at frequency rank #23,736 in our Spanish list, against #44,053 for "cof". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "cof" 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 #36,218 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cof" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "cof vs cuc". Nearby pair

Confusion rank #36,218 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