obvsOVATell them apart

Quick tell: ob is a pronoun, OVA is a noun, so they fill different roles in a sentence.

Which to use

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

#28,692
“ob” frequency rank
#24,745
“OVA” frequency rank
53437
confusion score

Side-by-Side Comparison

Feature ob OVA
Definition eu, pronome pessoal do caso nominativo da primeira pessoa do singular; formato de animação de um ou mais episódios de anime lançados diretamente ao mercado de vídeo (VHS ou LD, atualmente DVD), sem prévia exibição na televisão ou nos cinemas, normalmente com duração igual ou um pouco maior que a duração padrão de um episódio de TV de anime (25 minutos), nunca alcançando a duração de um longa-metragem

Where the eye mixes ob and OVA

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
ob
3 ch
OVA

Look-alike desk: ob vs OVA

These two trip readers on the page rather than in the ear: ob is /ob/ while OVA is /ˈɔ.va/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 53437, derived from the frequency rank of both members and their visual similarity.

ob is recorded at frequency rank #28,692, classified as apron, pronounced /ob/. OVA is at rank #24,745, tagged as anoun, pronounced /ˈɔ.va/.

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 53437, this pair ranks #12,023 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ob vs OVA

Shared letters: o. Private to "ob": b. Private to "OVA": av.

"ob" · 2 letters · shape VC  ·  "OVA" · 3 letters · shape VCV

Frequently Asked Questions

Can "ob" and "OVA" be used interchangeably?
No - they are not even the same part of speech. "ob" is a pronoun and "OVA" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ob" or "OVA" show up more?
"OVA" is the more common of the two: it sits at frequency rank #24,745 in our Portuguese list, against #28,692 for "ob". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "OVA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,023 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ob" and "OVA" also get mixed up with nearby pairs, the highest-scored neighbour is "ob vs oni". Nearby pair

Confusion rank #12,023 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list