OST
"ost" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OST” sits in 20 confusable pairs (corpus #21,603) as a noun. The look-alike neighbours are the real trap.
- #21,603
- frequency rank, English
- 1,431
- “O” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of original soundtrack.
Corpus desk
Index EN-ost · OST · English
OST · rank #21,603 · 0 variants · 20 confusables
- FREQ-MID #21,603
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH OJ
Nearest frequency peer: OJ (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbours of confusable “OST”
Peers at similar corpus weight, separate from look-alike pairs below
- NYT
NYT
78,401 corpus weight
- Odin
Odin
78,400 corpus weight
- OJ
OJ
78,399 corpus weight
- OST
OST
78,398 corpus weight
- overflowing
overflowing
78,397 corpus weight
- overland
overland
78,396 corpus weight
What this shows Bars place “OST” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | OST |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #21,603 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “OST”
Easy to mix with look-alikes
The spelling risk for OST is neighbouring look-alikes ("oz", "OT", …), not just typos; it is anoun. Frequency #21,603 among 1,431 “O” headwords. Gloss: "Initialism of original soundtrack.".
The misspelling generator found no plausible variants for OST, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "oz", "OT", "ou", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is OST, spelled O-S-T.
Definition
- 1Initialism of original soundtrack.
Recorded use
Wiktionary exampleThese source excerpts show how OST appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
I really like the OST of that game.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "OST"?
What does "OST" mean?
What words are commonly confused with "OST"?
What language does "OST" come from?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "OST", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).