feldspar
/fɛldspɑɹ/
"feldspar" is a 8-letter English headword indexed on PlainSpell.
The verdict
“feldspar” is uncommon English (frequency #56,116 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.
- #56,116
- frequency rank, English
- 2,507
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.
Corpus desk
Index EN-feldspar · feldspar · English
feldspar · rank #56,116 · 0 variants · 0 confusables
- FREQ-RARE #56,116
- LEN-LONG 8 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,507
- PHOTO-FINISH fane
Nearest frequency peer: fane (-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 “feldspar”
Sparse band: bars invert rank so rarer forms read shorter
- extroverted
extroverted
43,890 corpus weight
- fane
fane
43,889 corpus weight
- feldspar
feldspar
43,885 corpus weight
- filer
filer
43,881 corpus weight
- finalise
finalise
43,880 corpus weight
- finicky
finicky
43,879 corpus weight
What this shows Long-tail view: where “feldspar” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | feldspar |
| Language | English |
| Part of speech | Noun |
| IPA | /fɛldspɑɹ/ |
| Letters | 8 |
| Frequency rank | #56,116 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “feldspar” in English
Rare enough to double-check
feldspar is uncommon English at frequency #56,116 among 2,507 “F” headwords, classed as anoun, transcribed /fɛldspɑɹ/. Rarity is why readers land here mid-draft. Gloss: "Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.".
No generated misspelling entries exist for feldspar in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Partial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the second element replaced with the English cognate spar. The correct English form is feldspar, spelled F-E-L-D-S-P-A-R.
Definition
- 1Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.
Etymology
Partial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the second element replaced with the English cognate spar.
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 "feldspar", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).