ondavsotaTell them apart

Quick tell: onda is a noun, ota is an intj, so they fill different roles in a sentence.

Which to use

“onda” is a noun and “ota” is an intj - they look or sound alike but fill different roles in a sentence.

#2,059
“onda” frequency rank
#31,082
“ota” frequency rank
33141
confusion score

Side-by-Side Comparison

Feature onda ota
Definition elevação e depressão da camada superficial de uma massa líquida; vaga expressa regozijo pela dor ou sofrimento alheio

Where the eye mixes onda and ota

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. onda runs 4 letters (VCCV) against ota's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
onda
3 ch
ota

Visual trap between onda and ota

These two trip readers on the page rather than in the ear: onda is /ˈõ.dɐ/ while ota is /ˈo.tɐ/. 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 (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 33141, derived from the frequency rank of both members and their visual similarity.

onda is recorded at frequency rank #2,059, classified as anoun, pronounced /ˈõ.dɐ/. ota is at rank #31,082, tagged as anintj, pronounced /ˈo.tɐ/.

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 33141, this pair ranks #34,460 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of onda vs ota

Shared letters: ao. Private to "onda": dn. Private to "ota": t.

"onda" · 4 letters · shape VCCV  ·  "ota" · 3 letters · shape VCV

Known mistypes of this pair

  • onda ← noda · odna · onad · ondda · onnda

Frequently Asked Questions

Is swapping "onda" for "ota" ever safe?
No - they are not even the same part of speech. "onda" is a noun and "ota" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "onda" or "ota" show up more?
"onda" is the more common of the two: it sits at frequency rank #2,059 in our Portuguese list, against #31,082 for "ota". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "onda" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ota" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,460 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "onda" and "ota" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ota". 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 #34,460 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