com vs CPU, What's the Difference?

Which to use

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

#14
“com” frequency rank: #21,128
“CPU” frequency rank: 21142
confusion score

Side-by-Side Comparison

Feature	com	CPU
Definition	indica várias relações: companhia, causa, instrumento, ligação, modo, oposição	circuito interno de um computador que armazena, processa e controla a maior parte das operações

Letter map: com vs CPU

Shared letters muted; letters that set com and CPU apart highlighted. Shared run: 1.

3 ch

com

3 ch

CPU

Grammar separator: com vs CPU

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: com is apreposition and CPUanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 21142, derived from the frequency rank of both members and their visual similarity.

com is recorded at frequency rank #14, classified as aprep, pronounced /kõ/. CPU is at rank #21,128, tagged as anoun.

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 21142, this pair ranks #49,205 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of com vs CPU

Shared letters: c. Private to "com": mo. Private to "CPU": pu.

"com" · 3 letters · shape CVC · "CPU" · 3 letters · shape CCV

Frequently Asked Questions

Do "com" and "CPU" mean the same thing in a sentence?

No - they are not even the same part of speech. "com" is a preposition and "CPU" a noun, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "com" or "CPU" show up more?

"com" is the more common of the two: it sits at frequency rank #14 in our Portuguese list, against #21,128 for "CPU". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "com" and "CPU". Here's where to go from here.

Full dictionary entry for "com" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "CPU" - compare definitions side by side with the headword page. Word entry
This pair ranks #49,205 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"com" and "CPU" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs CPU". Nearby pair

Confusion rank #49,205 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.