crustal
/ˈkɹʌstəl/
"crustal" is a 7-letter English headword indexed on PlainSpell.
The verdict
“crustal” is uncommon English (frequency #54,719 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.
- #54,719
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.
Corpus desk
Index EN-crustal · crustal · English
crustal · rank #54,719 · 0 variants · 0 confusables
- FREQ-RARE #54,719
- LEN-LONG 7 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH crypts
Nearest frequency peer: crypts (+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 “crustal”
Sparse band: bars invert rank so rarer forms read shorter
- Craddock
Craddock
45,286 corpus weight
- crikey
crikey
45,285 corpus weight
- crustal
crustal
45,282 corpus weight
- crypts
crypts
45,281 corpus weight
- Culpepper
Culpepper
45,280 corpus weight
- CWS
CWS
45,278 corpus weight
What this shows Long-tail view: where “crustal” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | crustal |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈkɹʌstəl/ |
| Letters | 7 |
| Frequency rank | #54,719 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “crustal” in English
Rare enough to double-check
crustal is uncommon English at frequency #54,719 among 5,599 “C” headwords, classed as anadjective, transcribed /ˈkɹʌstəl/. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.".
Zero misspellings are on record for crustal in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From crust + -al. The correct English form is crustal, spelled C-R-U-S-T-A-L.
Definition
- 1Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.
Recorded use
Wiktionary exampleThese source excerpts show how crustal appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The hope was to lower a drill through over 4,000 metres of Pacific Ocean water off the coast of Mexico and drill some 5,000 metres through relatively thin crustal rock.
Etymology
From crust + -al.
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 "crustal", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).