crankcase
"crankcase" is a 9-letter English headword indexed on PlainSpell.
The verdict
“crankcase” is uncommon English (frequency #60,733 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #60,733
- frequency rank, English
- 43,570
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The part of an engine that contains the crankshaft.
| 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) |
Where “crankcase” sits in English frequency
Rare enough to double-check
crankcase is uncommon English at frequency #60,733 among 43,570 “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.
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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Using “crankcase”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-R-A-N-K-C-A-S-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.