óleovsottoConfusable pair

Quick tell: óleo is a noun, otto is a num, so they fill different roles in a sentence.

Which to use

“óleo” is a noun and “otto” is a num - they look or sound alike but fill different roles in a sentence.

#2,919
“óleo” frequency rank
#11,925
“otto” frequency rank
14844
confusion score

Side-by-Side Comparison

Feature óleo otto
Definition substância viscosa que não se mistura com a água oito (8, VIII)

Letter map: óleo vs otto

Shared letters muted; letters that set óleo and otto apart highlighted. Shared run: 1.

4 ch
óleo
4 ch
otto

Grammar separator: óleo vs otto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: óleo is anoun and ottoanum. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 14844, derived from the frequency rank of both members and their visual similarity.

óleo is recorded at frequency rank #2,919, classified as anoun. otto is at rank #11,925, tagged as anum, pronounced /ˈɔtto/.

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 14844, this pair ranks #57,130 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of óleo vs otto

Shared letters: o. Private to "óleo": eló. Private to "otto": t.

"óleo" · 4 letters · shape VCVV  ·  "otto" · 4 letters · shape VCCV

Known mistypes of this pair

  • ottooto · otot · toto

Frequently Asked Questions

Is swapping "óleo" for "otto" ever safe?
No - they are not even the same part of speech. "óleo" is a noun and "otto" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "óleo" or "otto"?
"óleo" is the more common of the two: it sits at frequency rank #2,919 in our Portuguese list, against #11,925 for "otto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "óleo" vs "otto" is on the table, pick a follow-up below.

  • Full dictionary entry for "óleo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "otto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,130 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "óleo" and "otto" also get mixed up with nearby pairs, the highest-scored neighbour is "omo vs otto". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #57,130 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