Which to use
“comum” is a noun and “cum” is a preposition - they look or sound alike but fill different roles in a sentence.
- #667
- “comum” frequency rank
- #29,299
- “cum” frequency rank
- 29966
- confusion score
Side-by-Side Comparison
| Feature | comum | cum |
|---|---|---|
| Definition | o ano comum, no calendário juliano ou no gregoriano | usado para indicar algo com duas funções, ou então que tenha se modificado de uma coisa para outra: |
Letter map: comum vs cum
Shared letters muted; letters that set comum and cum apart highlighted. Shared run: 3.
Role in the sentence - comum and cum
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: comum is anoun and cumapreposition. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 29966, derived from the frequency rank of both members and their visual similarity.
comum is recorded at frequency rank #667, classified as anoun. cum is at rank #29,299, tagged as aprep, pronounced /kʌm/.
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 29966, this pair ranks #38,523 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of comum vs cum
Shared letters: cmu. Private to "comum": o. Private to "cum": -.
"comum" · 5 letters · shape CVCVC · "cum" · 3 letters · shape CVC
Known mistypes of this pair
- comum ← ccomum · cmoum · commu · commum · comumm · coumm · ocmum
Frequently Asked Questions
Is swapping "comum" for "cum" ever safe?
Which is more common, "comum" or "cum"?
After this comparison
Pair "comum" vs "cum" is on the table, pick a follow-up below.
- Full dictionary entry for "comum" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #38,523 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "comum" and "cum" also get mixed up with nearby pairs, the highest-scored neighbour is "cham vs cum". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #38,523 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.