pf
noun, interjection
pf is spelled P-F: 2 letters. It appears 2.8 times per million words in written English, the 16,228th most frequent word form (wordfreq, 2021 data). As a noun, pf means “Initialism of power factor” (English Wiktionary, September 2026).
How many letters and syllables are in pf?
| Letters | 2: P-F |
|---|---|
| In writing | 2.8 times per million words; the 16,228th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is pf?
Pf appears 2.8 times per million words in written English, the 16,228th 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 pf
Also written: pff.
Sources: English Wiktionary (homophones, alternative spellings).
What does pf mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of power factor.
noun
- 1
Initialism of pilot flying, a pilot currently in control of the flight trajectory of the aircraft, as opposed to pilot monitoring.
- 2
Initialism of peak flow.
- 3
Abbreviation of power failure; displayed by some household appliances after a power outage.
- 4
Initialism of phonological form.
- 5
Initialism of psychometric function.
- 6
Initialism of personal foul.
- 7
Initialism of power forward.
- 8
Initialism of points for.
Coordinate term: PA
interjection
- 1
Alternative form of pff.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).