pyroclastic
"pyroclastic" is a 11-letter English headword indexed on PlainSpell.
The verdict
“pyroclastic” is uncommon English (frequency #64,641 among 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.
- #64,641
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.
Corpus desk
Index EN-pyroclastic · pyroclastic · English
pyroclastic · rank #64,641 · 0 variants · 0 confusables
- FREQ-RARE #64,641
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH Qiao
Nearest frequency peer: Qiao (+2 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 “pyroclastic”
Sparse band: bars invert rank so rarer forms read shorter
- Ptolemaic
Ptolemaic
35,364 corpus weight
- pummel
pummel
35,363 corpus weight
- pyroclastic
pyroclastic
35,360 corpus weight
- Qiao
Qiao
35,358 corpus weight
- quesadilla
quesadilla
35,357 corpus weight
- quixotic
quixotic
35,356 corpus weight
What this shows Long-tail view: where “pyroclastic” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | pyroclastic |
| Language | English |
| Part of speech | Adjective |
| Letters | 11 |
| Frequency rank | #64,641 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “pyroclastic” in English
Rare enough to double-check
pyroclastic is uncommon English at frequency #64,641 among 4,417 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.".
The misspelling generator found no plausible variants for pyroclastic, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From pyro- + clastic, from Ancient Greek πῦρ (pûr, “fire”), and κλαστός (klastós, “broken”). The correct English form is pyroclastic, spelled P-Y-R-O-C-L-A-S-T-I-C.
Definition
- 1Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.
Recorded use
Wiktionary examplesThese source excerpts show how pyroclastic appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The word "ash" is not a very good one to include all the mechanical accompaniments of a subaerial or subaqueous eruption, since ash seems to be restricted to a fine powder, the residuum of combustion. A word is wanting to express all such accompaniments, no matter what their size or condition may be, when they are accumulated in such mass as to form beds…
Within sixty seconds, the entire area was razed by pyroclastic material with a temperature of nearly two thousand degrees Fahrenheit.
Etymology
From pyro- + clastic, from Ancient Greek πῦρ (pûr, “fire”), and κλαστός (klastós, “broken”).
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 "pyroclastic", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).