ceovscomTell them apart

Quick tell: ceo is a noun, com is a preposition, so they fill different roles in a sentence.

Which to use

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

#8,861
“ceo” frequency rank
#14
“com” frequency rank
8875
confusion score

Side-by-Side Comparison

Feature ceo com
Definition nevoeiro; neblina indica várias relações: companhia, causa, instrumento, ligação, modo, oposição

Where the eye mixes ceo and com

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

3 ch
ceo
3 ch
com

Look-alike desk: ceo vs com

These two trip readers on the page rather than in the ear: ceo is /coː/ while com is /kõ/. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 8875, derived from the frequency rank of both members and their visual similarity.

ceo is recorded at frequency rank #8,861, classified as anoun, pronounced /coː/. com is at rank #14, tagged as aprep, pronounced /kõ/.

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 8875, this pair ranks #64,748 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ceo vs com

Shared letters: co. Private to "ceo": e. Private to "com": m.

"ceo" · 3 letters · shape CVV  ·  "com" · 3 letters · shape CVC

Frequently Asked Questions

Do "ceo" and "com" mean the same thing in a sentence?
No - they are not even the same part of speech. "ceo" is a noun and "com" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ceo" or "com"?
"com" is the more common of the two: it sits at frequency rank #14 in our Portuguese list, against #8,861 for "ceo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ceo" 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 #64,748 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ceo" and "com" also get mixed up with nearby pairs, the highest-scored neighbour is "ceo vs ciao". Nearby pair

Confusion rank #64,748 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list