sst
interjection
sst is spelled S-S-T: 3 letters. It appears about once in every 2 million words in written English, the 43,187th most frequent word form (wordfreq, 2021 data). As an interjection, sst means “Alternative form of st (“hush; silence”)” (English Wiktionary, September 2026).
How many letters and syllables are in sst?
| Letters | 3: S-S-T |
|---|---|
| In writing | about once in every 2 million words; the 43,187th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is sst?
Sst appears about once in every 2 million words in written English, the 43,187th 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).
Words people confuse with sst
Also written: st.
Sources: English Wiktionary (homophones, alternative spellings).
What rhymes with sst?
No other word on PlainSpell ends in the same sounds as sst.
Spelled with the same letters in another order: sts, tss.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does sst mean?
The meanings the English Wiktionary records, quoted as written there (source below).
interjection
- 1
Alternative form of st (“hush; silence”).
noun
- 1
Initialism of supersonic transport.
- 2
Abbreviation of somatostatin.
- 3
Initialism of sea surface temperature.
- 4
Initialism of socioemotional selectivity theory.
- 5
Initialism of single-session therapy.
- 6
Initialism of sales and service tax.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).