plagioclase
/ˈpleɪ.d͡ʒɪ.əˌkleɪz/
"plagioclase" is a 11-letter English headword indexed on PlainSpell.
The verdict
“plagioclase” is uncommon English (frequency #88,715 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #88,715
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.
Corpus desk
Index EN-plagioclase · plagioclase · English
plagioclase · rank #88,715 · 0 variants · 0 confusables
- FREQ-RARE #88,715
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 46,516
- PHOTO-FINISH pinta
Nearest frequency peer: pinta (-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.
Frequency neighbourhood for “plagioclase”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- pilfer
pilfer
11,288 corpus weight
- pinta
pinta
11,287 corpus weight
- plagioclase
plagioclase
11,286 corpus weight
- plasticine
plasticine
11,285 corpus weight
- Platon
Platon
11,284 corpus weight
- PMB
PMB
11,283 corpus weight
What this shows Bars show where “plagioclase” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | plagioclase |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈpleɪ.d͡ʒɪ.əˌkleɪz/ |
| Letters | 11 |
| Frequency rank | #88,715 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “plagioclase” sits in English frequency
Rare enough to double-check
plagioclase is uncommon English at frequency #88,715 among 46,516 “P” headwords, classed as anoun, transcribed /ˈpleɪ.d͡ʒɪ.əˌkleɪz/. Rarity is why readers land here mid-draft. Gloss: "Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.".
The misspelling generator found no plausible variants for plagioclase, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From plagio- + -clase, after German Plagioklas. The correct English form is plagioclase, spelled P-L-A-G-I-O-C-L-A-S-E.
Definition
- 1Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.
Etymology
From plagio- + -clase, after German Plagioklas.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "plagioclase", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency 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.