Which to use
“o” is an article and “ONU” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #3
- “o” frequency rank
- #3,850
- “ONU” frequency rank
- 3853
- confusion score
Side-by-Side Comparison
| Feature | o | ONU |
|---|---|---|
| Definition | partícula gramatical usada antes de substantivos ou palavras substantivadas; por geral indica uma coisa em particular | sigla para a Organização das Nações Unidas |
Where the spellings diverge
Shared letters are muted; the letters that actually set o and ONU apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
o and ONU form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “o” sits inside “ONU” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 3853, derived from the frequency rank of both members and their visual similarity.
o is recorded at frequency rank #3, classified as anarticle, pronounced /u/. ONU is at rank #3,850, tagged as anabbrev.
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 3853, this pair ranks #71,234 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "o" and "ONU" be used interchangeably?
Remembering o vs ONU
The fastest way to pick the right one every time.
- Check the role first: if you need an article, it's “o”; for an abbrev, it's “ONU”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “o” entry
- Browse more pairs most likely to be confused. Most confusable