aragonite
"aragonite" is a 9-letter English headword indexed on PlainSpell.
The verdict
“aragonite” is uncommon English (frequency #91,241 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #91,241
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.
Corpus desk
Index EN-aragonite · aragonite · English
aragonite · rank #91,241 · 0 variants · 0 confusables
- FREQ-RARE #91,241
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH appetising
Nearest frequency peer: appetising (-4 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 “aragonite”
Sparse band: bars invert rank so rarer forms read shorter
- anthropomet…
anthropometric
8,769 corpus weight
- anthropomor…
anthropomorphism
8,768 corpus weight
- appetising
appetising
8,764 corpus weight
- aragonite
aragonite
8,760 corpus weight
- Armisen
Armisen
8,756 corpus weight
- artbook
artbook
8,754 corpus weight
What this shows Long-tail view: where “aragonite” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | aragonite |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #91,241 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “aragonite” in English
Rare enough to double-check
aragonite is uncommon English at frequency #91,241 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.".
aragonite doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From Aragon + -ite, after the province in Spain, named by Abraham Gottlob Werner in 1790. The correct English form is aragonite, spelled A-R-A-G-O-N-I-T-E.
Definition
- 1An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.
Recorded use
Wiktionary exampleThese source excerpts show how aragonite appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The basic chemical material of molluscan shells is calcium carbonate, which forms the outer layer of calcite, and the inner layer of aragonite, which is a heavier and harder substance although it has the same chemical composition.
Etymology
From Aragon + -ite, after the province in Spain, named by Abraham Gottlob Werner in 1790.
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 "aragonite", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).