nonsupplementary

adj

"nonsupplementary" is a 16-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
16
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not supplementary.

Corpus desk

Index EN-nonsupplementary · nonsupplementary · English

nonsupplementary · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 16 letters
  • VOW-6 6 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 nonsupplementary
PropertyValue
Headwordnonsupplementary
LanguageEnglish
Part of speechAdjective
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nonsupplementary” in English

nonsupplementaryfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

nonsupplementary is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not supplementary.".

nonsupplementary doesn't appear in our generated misspelling index, 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 no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From non- + supplementary. The correct English form is nonsupplementary, spelled N-O-N-S-U-P-P-L-E-M-E-N-T-A-R-Y.

Definition

  1. 1
    Not supplementary.

Etymology

From non- + supplementary.

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 "nonsupplementary"?
"nonsupplementary" is spelled N-O-N-S-U-P-P-L-E-M-E-N-T-A-R-Y.
What does "nonsupplementary" mean?
As an adjective, "nonsupplementary" means: Not supplementary.
What is the origin of the word "nonsupplementary"?
From non- + supplementary. 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