omo vs ono, What's the Difference?

Which to use

“omo” is a noun and “ono” is a pronoun - they look or sound alike but fill different roles in a sentence.

#40,711
“omo” frequency rank: #37,444
“ono” frequency rank: 78155
confusion score

Side-by-Side Comparison

Feature	omo	ono
Definition	ohm, unidade de medida de resistência elétrica no Sistema Internacional de Unidades (SI)	pronome pessoal neutro do caso nominativo da terceira pessoa do singular

Letter map: omo vs ono

Shared letters muted; letters that set omo and ono apart highlighted. Shared run: 2.

3 ch

omo

3 ch

ono

Grammar separator: omo vs ono

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: omo is anoun and onoapronoun. On the page they differ by a single letter - m in “omo” becomes n in “ono”. Our composite confusion score for this pair is 78155, derived from the frequency rank of both members and their visual similarity.

omo is recorded at frequency rank #40,711, classified as anoun, pronounced /ˈo.mo/, /ˈɔ.mɔ/. ono is at rank #37,444, tagged as apron.

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 78155, this pair ranks #1,724 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of omo vs ono

Shared letters: o. Private to "omo": m. Private to "ono": n.

"omo" · 3 letters · shape VCV · "ono" · 3 letters · shape VCV

Frequently Asked Questions

Can "omo" and "ono" be used interchangeably?

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

Which is more common, "omo" or "ono"?

"ono" is the more common of the two: it sits at frequency rank #37,444 in our Portuguese list, against #40,711 for "omo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "omo" and "ono". Here's where to go from here.

Full dictionary entry for "omo" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ono" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,724 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"omo" and "ono" also get mixed up with nearby pairs, the highest-scored neighbour is "omo vs oni". Nearby pair

Confusion rank #1,724 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.