nack

/næk/

//næk// verb

By · According to Wiktionary data (CC BY-SA) ·

"nack" is a 4-letter English headword indexed on PlainSpell.

The verdict

“nack” is uncommon English (frequency #86,550 among 1,534 “N” headwords), classed as a verb. The kind of spelling people second-guess.

#86,550
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To acknowledge negatively; to send a NAK signal to.

Corpus desk

Index EN-nack · nack · English

nack · rank #86,550 · 0 variants · 0 confusables

  • FREQ-RARE #86,550
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH nanite

Nearest frequency peer: nanite (+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 “nack”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for nack
PropertyValue
Headwordnack
LanguageEnglish
Part of speechVerb
IPA/næk/
Letters4
Frequency rank#86,550
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nack” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).nackfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “nanite” (#86,552), “Narvik” (#86,554), “Muzaffarnagar” (#86,545). Among 1,534 “N” headwords, “nack” is #86,550. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nack is uncommon English at frequency #86,550 among 1,534 “N” headwords, classed as averb, transcribed /næk/. Rarity is why readers land here mid-draft. Gloss: "To acknowledge negatively; to send a NAK signal to.".

We couldn't generate a plausible misspelling set for nack, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is nack, spelled N-A-C-K.

Definition

  1. 1
    To acknowledge negatively; to send a NAK signal to.

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 "nack"?
"nack" is spelled N-A-C-K. The IPA pronunciation is /næk/.
What does "nack" mean?
As a verb, "nack" means: To acknowledge negatively; to send a NAK signal to.
How do you pronounce "nack"?
The IPA (International Phonetic Alphabet) transcription for "nack" is /næk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "nack" come from?
"nack" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "nack", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

Muji#86,539Niya#86,570moko#86,527pada#86,609

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

Source: FrequencyWords open word-frequency list