casvscomTell them apart

Quick tell: cas is a noun, com is an adverb, so they fill different roles in a sentence.

Which to use

“cas” is a noun and “com” is an adverb - they look or sound alike but fill different roles in a sentence.

#19,656
“cas” frequency rank
#4,982
“com” frequency rank
24638
confusion score

Side-by-Side Comparison

Feature cas com
Definition Caso. Como.

Where the eye mixes cas and com

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
cas
3 ch
com

Look-alike desk: cas vs com

These two trip readers on the page rather than in the ear: cas is [ˈkas] while com is [ˈkom]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 24638, derived from the frequency rank of both members and their visual similarity.

cas is recorded at frequency rank #19,656, classified as anoun, pronounced [ˈkas]. com is at rank #4,982, tagged as anadv, pronounced [ˈkom].

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 24638, this pair ranks #240,221 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cas vs com

Shared letters: c. Private to "cas": as. Private to "com": mo.

"cas" · 3 letters · shape CVC  ·  "com" · 3 letters · shape CVC

Frequently Asked Questions

Do "cas" and "com" mean the same thing in a sentence?
No - they are not even the same part of speech. "cas" is a noun and "com" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "cas" vs "com" - which ranks higher?
"com" is the more common of the two: it sits at frequency rank #4,982 in our Spanish list, against #19,656 for "cas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "cas" and "com" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "com" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,221 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cas" and "com" also get mixed up with nearby pairs, the highest-scored neighbour is "cas vs cuc". Nearby pair

Confusion rank #240,221 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