okvsOstWhat's the difference?

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

Which to use

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

#1,033
“ok” frequency rank
#27,958
“Ost” frequency rank
28991
confusion score

Side-by-Side Comparison

Feature ok Ost
Definition oito leste

Letter map: ok vs Ost

Shared letters muted; letters that set ok and Ost apart highlighted. Shared run: 1.

2 ch
ok
3 ch
Ost

Part-of-speech tell for ok / Ost

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ok is anum and Ostanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 28991, derived from the frequency rank of both members and their visual similarity.

ok is recorded at frequency rank #1,033, classified as anum. Ost is at rank #27,958, tagged as anoun, pronounced /ɔst/.

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 28991, this pair ranks #39,745 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ok vs Ost

Shared letters: o. Private to "ok": k. Private to "Ost": st.

"ok" · 2 letters · shape VC  ·  "Ost" · 3 letters · shape VCC

Frequently Asked Questions

Do "ok" and "Ost" mean the same thing in a sentence?
No - they are not even the same part of speech. "ok" is a num and "Ost" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ok" vs "Ost" - which ranks higher?
"ok" is the more common of the two: it sits at frequency rank #1,033 in our Portuguese list, against #27,958 for "Ost". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "ok" vs "Ost" is on the table, pick a follow-up below.

  • Full dictionary entry for "ok" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,745 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ok" and "Ost" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs Ost". Nearby pair

Confusion rank #39,745 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