sunstone
"sunstone" is a 8-letter English headword indexed on PlainSpell.
The verdict
“sunstone” is uncommon English (frequency #86,810 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #86,810
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A translucent form of feldspar having flakes of hematite, used as an ornamental stone.
Corpus desk
Index EN-sunstone · sunstone · English
sunstone · rank #86,810 · 0 variants · 0 confusables
- FREQ-RARE #86,810
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH supercup
Nearest frequency peer: supercup (+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 “sunstone”
Sparse band: bars invert rank so rarer forms read shorter
- Suda
Suda
13,196 corpus weight
- Sule
Sule
13,195 corpus weight
- sunstone
sunstone
13,191 corpus weight
- supercup
supercup
13,190 corpus weight
- superstorm
superstorm
13,189 corpus weight
- Suwon
Suwon
13,187 corpus weight
What this shows Long-tail view: where “sunstone” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | sunstone |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Frequency rank | #86,810 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “sunstone” in English
Rare enough to double-check
sunstone is uncommon English at frequency #86,810 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for sunstone, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: sun + stone. Compare Icelandic sólarsteinn. The correct English form is sunstone, spelled S-U-N-S-T-O-N-E.
Definition
- 1A translucent form of feldspar having flakes of hematite, used as an ornamental stone.
- 2A stone, possibly Icelandic spar, said in late medieval sources to have been used by navigators in the Viking Age and later to find the location of the sun in an overcast sky, possibly via polatization of light.
Etymology
sun + stone. Compare Icelandic sólarsteinn.
Synonyms
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 "sunstone", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).