ocovsoneTell them apart

Which to use

“oco” and “one” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,951
“oco” frequency rank
#1,219
“one” frequency rank
29170
confusion score

Side-by-Side Comparison

Feature oco one
Definition que não tem miolo único:

Where the eye mixes oco and one

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

3 ch
oco
3 ch
one

Look-alike desk: oco vs one

A purely visual mix-up. oco (/ˈo.ku/) and one (/ˈwɐn/) 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 29170, derived from the frequency rank of both members and their visual similarity.

oco is recorded at frequency rank #27,951, classified as anadj, pronounced /ˈo.ku/. one is at rank #1,219, tagged as anadj, pronounced /ˈwɐn/.

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 29170, this pair ranks #39,541 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of oco vs one

Shared letters: o. Private to "oco": c. Private to "one": en.

"oco" · 3 letters · shape VCV  ·  "one" · 3 letters · shape VCV

Frequently Asked Questions

Can "oco" and "one" be used interchangeably?
No. They are said differently (/ˈo.ku/ versus /ˈwɐn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "oco" vs "one" - which ranks higher?
"one" is the more common of the two: it sits at frequency rank #1,219 in our Portuguese list, against #27,951 for "oco". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "oco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "one" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,541 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "oco" and "one" also get mixed up with nearby pairs, the highest-scored neighbour is "oco vs oni". Nearby pair

Confusion rank #39,541 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