crankcase
"crankcase" is a 9-letter English headword indexed on PlainSpell.
The verdict
“crankcase” is uncommon English (frequency #60,733 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #60,733
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The part of an engine that contains the crankshaft.
Corpus desk
Index EN-crankcase · crankcase · English
crankcase · rank #60,733 · 0 variants · 0 confusables
- FREQ-RARE #60,733
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH Cranbrook
Nearest frequency peer: Cranbrook (-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 “crankcase”
Sparse band: bars invert rank so rarer forms read shorter
- couplets
couplets
39,270 corpus weight
- Cranbrook
Cranbrook
39,269 corpus weight
- crankcase
crankcase
39,268 corpus weight
- craw
craw
39,267 corpus weight
- creasy
creasy
39,266 corpus weight
- criticality
criticality
39,264 corpus weight
What this shows Long-tail view: where “crankcase” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | crankcase |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #60,733 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “crankcase” in English
Rare enough to double-check
crankcase is uncommon English at frequency #60,733 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The part of an engine that contains the crankshaft.".
We couldn't generate a plausible misspelling set for crankcase, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From crank + case. The correct English form is crankcase, spelled C-R-A-N-K-C-A-S-E.
Definition
- 1The part of an engine that contains the crankshaft.
Recorded use
Wiktionary exampleThese source excerpts show how crankcase appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The crankcase itself is in one piece, in the form of a tunnel into which the crankshaft is introduced from one end.
Etymology
From crank + case.
This word in other languages
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 "crankcase", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).