Which to use
“OST” and “oth” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,603
- “OST” frequency rank
- #39,944
- “oth” frequency rank
- 61547
- confusion score
Side-by-Side Comparison
| Feature | OST | oth |
|---|---|---|
| Definition | Initialism of original soundtrack. | Obsolete spelling of oath. |
Letter map: OST vs oth
Shared letters muted; letters that set OST and oth apart highlighted. Shared run: 2.
Corpus notes: OST and oth
OST and oth are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61547, derived from the frequency rank of both members and their visual similarity.
OST is recorded at frequency rank #21,603, classified as anoun. oth is at rank #39,944, tagged as anoun.
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 61547, this pair ranks #93,627 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of OST vs oth
Shared letters: ot. Private to "OST": s. Private to "oth": h.
"OST" · 3 letters · shape VCC · "oth" · 3 letters · shape VCC
Frequently Asked Questions
Can "OST" and "oth" be used interchangeably?
Which is more common, "OST" or "oth"?
Useful next steps
Done with this confusable. These links stay specific to "OST" and "oth".
- Full dictionary entry for "OST" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oth" - compare definitions side by side with the headword page. Word entry
- This pair ranks #93,627 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "OST" and "oth" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oth". Nearby pair
Confusion rank #93,627 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.