Which to use
“co” is a pronoun and “cum” is a preposition - they look or sound alike but fill different roles in a sentence.
- #2,005
- “co” frequency rank
- #29,299
- “cum” frequency rank
- 31304
- confusion score
Side-by-Side Comparison
| Feature | co | cum |
|---|---|---|
| Definition | que | usado para indicar algo com duas funções, ou então que tenha se modificado de uma coisa para outra: |
Where the spellings diverge
Shared letters are muted; the letters that actually set co and cum apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: co is apronoun and cumapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31304, derived from the frequency rank of both members and their visual similarity.
co is recorded at frequency rank #2,005, classified as apron. 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 31304, this pair ranks #36,829 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of co vs cum
Shared letters: c. Private to "co": o. Private to "cum": mu.
"co" · 2 letters · shape CV · "cum" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "co" and "cum" be used interchangeably?
Which is more common, "co" or "cum"?
Remembering co vs cum
The fastest way to pick the right one every time.
- Check the role first: if you need a pronoun, it's “co”; for a preposition, it's “cum”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “co” entry
- Browse more pairs most likely to be confused. Most confusable