OST
noun
OST is spelled O-S-T: 3 letters and one syllable. It appears 1.7 times per million words in written English, the 21,516th most frequent word form (wordfreq, 2021 data). As a noun, OST means “Initialism of original soundtrack” (English Wiktionary, September 2026). The plural of OST is OSTs.
How many letters and syllables are in OST?
| Letters | 3: O-S-T |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 1.7 times per million words; the 21,516th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is OST?
OST appears 1.7 times per million words in written English, the 21,516th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce OST?
OST has one syllable (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of OST
- OSTs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does OST mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of original soundtrack.
I really like the OST of that game.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
OST in Spanish, French, German and Portuguese
In the sense original soundtrack:
| Language | Words |
|---|---|
| French | BO |
| Spanish | BSO |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.