sourcebook
"sourcebook" is a 10-letter English headword indexed on PlainSpell.
The verdict
“sourcebook” is uncommon English (frequency #50,812 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #50,812
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A book consisting of a collection of writings on a particular subject.
Corpus desk
Index EN-sourcebook · sourcebook · English
sourcebook · rank #50,812 · 0 variants · 0 confusables
- FREQ-RARE #50,812
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH Sondheim
Nearest frequency peer: Sondheim (-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.
Long-tail ranks near “sourcebook”
Sparse band: bars invert rank so rarer forms read shorter
- snugly
snugly
49,193 corpus weight
- solemnity
solemnity
49,191 corpus weight
- Sondheim
Sondheim
49,190 corpus weight
- sourcebook
sourcebook
49,189 corpus weight
- Southwell
Southwell
49,188 corpus weight
- spitz
spitz
49,186 corpus weight
What this shows Long-tail view: where “sourcebook” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | sourcebook |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #50,812 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “sourcebook” in English
Rare enough to double-check
sourcebook is uncommon English at frequency #50,812 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for sourcebook, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From source + book. The correct English form is sourcebook, spelled S-O-U-R-C-E-B-O-O-K.
Definition
- 1A book consisting of a collection of writings on a particular subject.
- 2A publication intended to supplement the core materials of a roleplaying game.
Recorded use
Wiktionary exampleThese source excerpts show how sourcebook appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
That sourcebook is aimed at players of fighters, rogues, rangers, and warlords, and by design you're not going to find much in that book to appeal to other characters.
Etymology
From source + book.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "sourcebook", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).