rulebook
/ˌɹulˌbʊk/noun
rulebook is spelled R-U-L-E-B-O-O-K: 8 letters and 2 syllables. It appears about once in every 2 million words in written English, the 43,187th most frequent word form (wordfreq, 2021 data). As a noun, rulebook means “A book containing a set of rules” (English Wiktionary, September 2026). The plural of rulebook is rulebooks.
How many letters and syllables are in rulebook?
| Letters | 8: R-U-L-E-B-O-O-K |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 43,187th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is rulebook?
Rulebook appears about once in every 2 million words in written English, the 43,187th 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).
How do you pronounce rulebook?
- US /ˌɹulˌbʊk/
Rulebook has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-rulebook.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with rulebook
Also written: rule-book (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of rulebook
- rulebooks plural
- rule book
- rule-book
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does rulebook mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A book containing a set of rules.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Rulebook in Spanish, French, German and Portuguese
In the sense a book containing rules:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does rulebook come from?
From rule + book.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).