night night

/naɪt.naɪt/

//naɪt.naɪt// intj

"night-night" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Goodnight.

Corpus desk

Index EN-night-night · night night · English

night night · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 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 night night
PropertyValue
Headwordnight night
LanguageEnglish
Part of speechInterjection
IPA/naɪt.naɪt/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “night night” in English

night nightfalls 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

night night is uncommon English outside the top frequency list, classed as aninterjection, transcribed /naɪt.naɪt/. Rarity is why readers land here mid-draft. Gloss: "Goodnight.".

night night has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is night night, spelled N-I-G-H-T- -N-I-G-H-T.

Definition

  1. 1
    Goodnight.

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 "night night"?
"night night" is spelled N-I-G-H-T- -N-I-G-H-T. The IPA pronunciation is /naɪt.naɪt/.
What does "night night" mean?
As an interjection, "night night" means: Goodnight.
How do you pronounce "night night"?
The IPA (International Phonetic Alphabet) transcription for "night night" is /naɪt.naɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "night night" come from?
"night night" 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.

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

Source: FrequencyWords open word-frequency list