PST

name

"pst" is a 3-letter English headword indexed on PlainSpell.

The verdict

“PST” sits in 20 confusable pairs (corpus #19,948) as a proper noun. The look-alike neighbours are the real trap.

#19,948
frequency rank, English
4,417
“P” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Pacific Standard Time.

Corpus desk

Index EN-pst · PST · English

PST · rank #19,948 · 0 variants · 20 confusables

  • FREQ-MID #19,948
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH punctuation

Nearest frequency peer: punctuation (+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 neighbourhood for “PST”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “PST” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

PST vs pt
0% similar
PST vs PU
33% similar
PST vs PV
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for PST
PropertyValue
HeadwordPST
LanguageEnglish
Part of speechProper noun
Letters3
Frequency rank#19,948
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “PST” sits in English frequency

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).PSTlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “punctuation” (#19,949), “proficient” (#19,946), “purification” (#19,950). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for PST is neighbouring look-alikes ("pt", "PU", …), not just typos; it is aproper noun. Frequency #19,948 among 4,417 “P” headwords. 4 recorded senses keep meaning in play.

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

  1. 1
    Initialism of Pacific Standard Time.
  2. 2
    Initialism of Philippine Standard Time.
  3. 3
    Initialism of Palestinian Standard Time.
  4. 4
    Initialism of Proto-Sino-Tibetan.

Recorded use

Wiktionary example

These source excerpts show how PST appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. “Oakland Airport Connector service is running limited service due to a power outage. Shuttles will depart every 18 minutes,” BART said in a 2:38 p.m. PST update.

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 "PST"?
"PST" is spelled P-S-T.
What does "PST" mean?
As a proper noun, "PST" means: Initialism of Pacific Standard Time.
What words are commonly confused with "PST"?
"PST" is commonly confused with "pt", "PU", "PV". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "PST" come from?
"PST" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "PST", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

What to do next

You've looked up "PST". Here's where to go from here.

  • "PST" maps to 20 confusable pairs in this vintage; the highest-scored is "pt". View pair
  • Usage frequency rank #19,948 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "P" letter cohort. P–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list