sylvite

noun

"sylvite" is a 7-letter English headword indexed on PlainSpell.

The verdict

“sylvite” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An evaporite, consisting of potassium chloride KCl, also found in fumaroles.

Corpus desk

Index EN-sylvite · sylvite · English

sylvite · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

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.

Key facts for sylvite
PropertyValue
Headwordsylvite
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “sylvite” in English

sylvitesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

sylvite is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An evaporite, consisting of potassium chloride KCl, also found in fumaroles.".

The misspelling generator found no plausible variants for sylvite, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: After the surname of Dutch scientist Franciscus Sylvius + -ite. The correct English form is sylvite, spelled S-Y-L-V-I-T-E.

Definition

  1. 1
    An evaporite, consisting of potassium chloride KCl, also found in fumaroles.

Etymology

After the surname of Dutch scientist Franciscus Sylvius + -ite.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "sylvite"?
"sylvite" is spelled S-Y-L-V-I-T-E.
What does "sylvite" mean?
As a noun, "sylvite" means: An evaporite, consisting of potassium chloride KCl, also found in fumaroles.
What is the origin of the word "sylvite"?
After the surname of Dutch scientist Franciscus Sylvius + -ite. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list