Which to use
“omo” and “Ost” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,711
- “omo” frequency rank
- #27,958
- “Ost” frequency rank
- 68669
- confusion score
Side-by-Side Comparison
| Feature | omo | Ost |
|---|---|---|
| Definition | ohm, unidade de medida de resistência elétrica no Sistema Internacional de Unidades (SI) | leste |
Where the eye mixes omo and Ost
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses omo with Ost
A purely visual mix-up. omo (/ˈo.mo/, /ˈɔ.mɔ/) and Ost (/ɔst/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68669, 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/. Ost is at rank #27,958, tagged as anoun, pronounced /ɔst/.
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 68669, this pair ranks #4,200 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of omo vs Ost
Shared letters: o. Private to "omo": m. Private to "Ost": st.
"omo" · 3 letters · shape VCV · "Ost" · 3 letters · shape VCC
Frequently Asked Questions
Do "omo" and "Ost" mean the same thing in a sentence?
In ordinary Portuguese text, does "omo" or "Ost" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "omo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Ost" - compare definitions side by side with the headword page. Word entry
- This pair ranks #4,200 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "omo" and "Ost" also get mixed up with nearby pairs, the highest-scored neighbour is "omo vs oni". Nearby pair
Confusion rank #4,200 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.