Old Bill
"old-bill" is a 7-letter English headword indexed on PlainSpell.
The verdict
“Old Bill” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A police officer.
| Property | Value |
|---|---|
| Headword | Old Bill |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Old Bill” sits in English frequency
Spelling & Dictionary Insight
The English entry for Old Bill is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
No generated misspelling entries exist for Old Bill in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: Unknown. Suggested sources for the police officer and police force terms include: #Old Bill, comic character created by Bruce Bairnsfather. #Music hall song "Won't you come home, Bill Bailey", which references the Old Bailey criminal court. #William IV (rei… The correct English form is Old Bill, spelled O-L-D- -B-I-L-L.
Definition
- 1A police officer.
- 2The police force.
- 3A soldier, especially one who resembles the cartoon character of the same name created by Bruce Bairnsfather in 1914.
Etymology
Unknown. Suggested sources for the police officer and police force terms include: #Old Bill, comic character created by Bruce Bairnsfather. #Music hall song "Won't you come home, Bill Bailey", which references the Old Bailey criminal court. #William IV (reigned 1830-37), who became king the year after the Metropolitan Police were founded (1829). #Wilhelm I, Prussian Kaiser who visited the UK around the same time the custodian helmet was adopted (1863). #bill (“cutting instrument”) or billhook, weapons carried by constables of the watch. #bill (“written note of services rendered”), allegedly presented by a police officer to solicit a bribe. #bill (“draft of a law”), laid in Parliament. #Number plates for all public services, including police, registered by London County Council with the letter "BYL". ##Specifically, the cars of the Flying Squad. #Bill Smith, a popular police sergeant in Limehouse circa 1860s.
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.
Frequently Asked Questions
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Using “Old Bill”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-L-D- -B-I-L-L - every other letter order is a misspelling in standard orthography.
- 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.