nonce

/nɒns/

//nɒns// noun

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

The verdict

“nonce” is uncommon English (frequency #56,938 among 1,534 “N” headwords), classed as a noun. The kind of spelling people second-guess.

#56,938
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The one or single occasion; the present reason or purpose.

Corpus desk

Index EN-nonce · nonce · English

nonce · rank #56,938 · 0 variants · 0 confusables

  • FREQ-RARE #56,938
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH noes

Nearest frequency peer: noes (-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.

Long-tail ranks near “nonce”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “nonce” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for nonce
PropertyValue
Headwordnonce
LanguageEnglish
Part of speechNoun
IPA/nɒns/
Letters5
Frequency rank#56,938
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nonce” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).noncefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “noes” (#56,937), “Newquay” (#56,936), “numerology” (#56,940). Among 1,534 “N” headwords, “nonce” is #56,938. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nonce is uncommon English at frequency #56,938 among 1,534 “N” headwords, classed as anoun, transcribed /nɒns/. Rarity is why readers land here mid-draft. 3 senses are on record.

nonce has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Inherited from Middle English nonse, nones, a rebracketing of Middle English to þen anes, for þen anes (to/for the once (i.e., the one occasion or instance)), from the dative singular neuter of þe. The cryptography sense is commonly said to be a contraction… The correct English form is nonce, spelled N-O-N-C-E.

Definition

  1. 1
    The one or single occasion; the present reason or purpose.
  2. 2
    A nonce word.
  3. 3
    A value constructed so as to be unique to a particular message in a stream, in order to prevent replay attacks.

Recorded use

Wiktionary examples

These source excerpts show how nonce appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. That will do for the nonce, but we'll need a better answer for the long term.
  2. [...] Dunce, / Dotard, a-dozing at the very nonce, / After a life spent training for the sight!

Etymology

Inherited from Middle English nonse, nones, a rebracketing of Middle English to þen anes, for þen anes (to/for the once (i.e., the one occasion or instance)), from the dative singular neuter of þe. The cryptography sense is commonly said to be a contraction of number used once, although this is probably incorrect.

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

How do you spell "nonce"?
"nonce" is spelled N-O-N-C-E. The IPA pronunciation is /nɒns/.
What does "nonce" mean?
As a noun, "nonce" means: The one or single occasion; the present reason or purpose.
How do you pronounce "nonce"?
The IPA (International Phonetic Alphabet) transcription for "nonce" is /nɒns/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "nonce"?
Inherited from Middle English nonse, nones, a rebracketing of Middle English to þen anes, for þen anes (to/for the once (i.e., the one occasion or instance)), from the dative singular neuter of þe. The cryptography sense is commonly said to be a c... 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "nonce", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list