obavsórfãWhich spelling fits?

Quick tell: oba is a num, órfã is an adjective, so they fill different roles in a sentence.

Which to use

“oba” is a num and “órfã” is an adjective - they look or sound alike but fill different roles in a sentence.

#20,674
“oba” frequency rank
#25,180
“órfã” frequency rank
45854
confusion score

Side-by-Side Comparison

Feature oba órfã
Definition ambos, um e outro, uma e outra feminino plural de órfão

Where the eye mixes oba and órfã

Muted = shared; highlighted = the visual trap. No shared run - shape, not overlap, is the trap. oba runs 3 letters (VCV) against órfã's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
oba
4 ch
órfã

Why the eye confuses oba with órfã

These two trip readers on the page rather than in the ear: oba is /ˈʔɔba/ ouvir^(fonte ?) while órfã is /ˈɔɾ.fɐ̃/. 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 (num vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 45854, derived from the frequency rank of both members and their visual similarity.

oba is recorded at frequency rank #20,674, classified as anum, pronounced /ˈʔɔba/ ouvir^(fonte ?). órfã is at rank #25,180, tagged as anadj, pronounced /ˈɔɾ.fɐ̃/.

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 45854, this pair ranks #19,530 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of oba vs órfã

Shared letters: none. Private to "oba": abo. Private to "órfã": frãó.

"oba" · 3 letters · shape VCV  ·  "órfã" · 4 letters · shape VCCV

Frequently Asked Questions

Do "oba" and "órfã" mean the same thing in a sentence?
No - they are not even the same part of speech. "oba" is a num and "órfã" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "oba" vs "órfã" - which ranks higher?
"oba" is the more common of the two: it sits at frequency rank #20,674 in our Portuguese list, against #25,180 for "órfã". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "oba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "órfã" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,530 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "oba" and "órfã" also get mixed up with nearby pairs, the highest-scored neighbour is "oda vs órfã". Nearby pair

Confusion rank #19,530 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