P45
"p45" is a 1-letter English headword indexed on PlainSpell.
The verdict
“P45” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 3
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A form that an employee receives when they terminate their employment, detailing income for social security and taxation purposes for the current financial year.
Corpus desk
Index EN-p45 · P45 · English
P45 · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | P45 |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “P45” sits in English frequency
Rare enough to double-check
P45 is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A form that an employee receives when they terminate their employment, detailing income for social security and taxation purposes for the current financial year.".
The misspelling generator found no plausible variants for P45, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: The form number designated by Britain's HM Revenue and Customs department. The correct English form is P45, spelled P-4-5.
Definition
- 1A form that an employee receives when they terminate their employment, detailing income for social security and taxation purposes for the current financial year.
Recorded use
Wiktionary exampleThese source excerpts show how P45 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
2012, Forbes, Has Unconventional Oil Production Peaked? Get any concessions wrong in advanced markets, and CEO’s know they’ll pay a very heavy price on stock markets. ‘P45’s’ all round, and that’s before we consider any national flags involved, or the small fact that host nations are piling on pressure to get pumps working, donkey’s nodding and receipts r…
Etymology
The form number designated by Britain's HM Revenue and Customs department.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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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.