OstvsotaTell them apart

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

Which to use

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

#27,958
“Ost” frequency rank
#31,082
“ota” frequency rank
59040
confusion score

Side-by-Side Comparison

Feature Ost ota
Definition leste expressa regozijo pela dor ou sofrimento alheio

Where the eye mixes Ost and ota

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
Ost
3 ch
ota

Why the eye confuses Ost with ota

These two trip readers on the page rather than in the ear: Ost is /ɔst/ while ota is /ˈo.tɐ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 59040, derived from the frequency rank of both members and their visual similarity.

Ost is recorded at frequency rank #27,958, classified as anoun, pronounced /ɔst/. 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 59040, this pair ranks #8,410 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of Ost vs ota

Shared letters: ot. Private to "Ost": s. Private to "ota": a.

"Ost" · 3 letters · shape VCC  ·  "ota" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "Ost" for "ota" ever safe?
No - they are not even the same part of speech. "Ost" is a noun and "ota" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "Ost" or "ota" show up more?
"Ost" is the more common of the two: it sits at frequency rank #27,958 in our Portuguese list, against #31,082 for "ota". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Ost" and "ota" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Ost" 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 #8,410 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Ost" and "ota" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ota". Nearby pair

Confusion rank #8,410 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