niter

noun

"niter" is a 5-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A mineral form of potassium nitrate (saltpetre) used in making gunpowder.

Corpus desk

Index EN-niter · niter · English

niter · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 niter
PropertyValue
Headwordniter
LanguageEnglish
Part of speechNoun
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “niter” in English

niterranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

niter is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for niter 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, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Middle English niter, nitere, nitre, nytre, from Old French nitre, from Latin nitrum (“native soda, natron”), from Ancient Greek νίτρον (nítron). Ultimately from Egyptian nṯrj (“natron”). Doublet of natron and trona. Compare also natrium, nitrogen. The correct English form is niter, spelled N-I-T-E-R.

Definition

  1. 1
    A mineral form of potassium nitrate (saltpetre) used in making gunpowder.
  2. 2
    Native sodium carbonate; natron.

Etymology

From Middle English niter, nitere, nitre, nytre, from Old French nitre, from Latin nitrum (“native soda, natron”), from Ancient Greek νίτρον (nítron). Ultimately from Egyptian nṯrj (“natron”). Doublet of natron and trona. Compare also natrium, nitrogen.

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 "niter"?
"niter" is spelled N-I-T-E-R.
What does "niter" mean?
As a noun, "niter" means: A mineral form of potassium nitrate (saltpetre) used in making gunpowder.
What is the origin of the word "niter"?
From Middle English niter, nitere, nitre, nytre, from Old French nitre, from Latin nitrum (“native soda, natron”), from Ancient Greek νίτρον (nítron). Ultimately from Egyptian nṯrj (“natron”). Doublet of natron and trona. Compare also natrium, nit... See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list