PST
"pst" is a 3-letter English headword indexed on PlainSpell.
The verdict
“PST” is a moderately-common English word, ranked #19,948 in English word frequency and used as a proper noun.
- #19,948
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of Pacific Standard Time.
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 | PST |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #19,948 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “PST” sits in English frequency
Spelling & Dictionary Insight
The English entry for PST is 3 letters long, classified as a proper noun. Corpus data places it at rank #19,948 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for PST in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "pt", "PU", "PV", and more, where similar look or sound leads writers to substitute one word for another in context.
This entry's etymology isn't recorded, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is PST, spelled P-S-T.
Definition
- 1Initialism of Pacific Standard Time.
- 2Initialism of Philippine Standard Time.
- 3Initialism of Palestinian Standard Time.
- 4Initialism of Proto-Sino-Tibetan.
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
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Using “PST”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-S-T - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “pt” - see the side-by-side comparison. PST vs pt
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.