good night
"good-night" is a 9-letter English headword indexed on PlainSpell.
The verdict
“good night” is outside the top-ranked English vocabulary, used as a phrase - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A farewell said in the evening or before going to sleep.
| Property | Value |
|---|---|
| Headword | good night |
| Language | English |
| Part of speech | Phrase |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “good night” sits in English frequency
Spelling & Dictionary Insight
The English entry for good night is 10 letters long, classified as a phrase. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
No generated misspelling entries exist for good night in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Probably a shortening of "May you have a good night." The correct English form is good night, spelled G-O-O-D- -N-I-G-H-T.
Definition
- 1A farewell said in the evening or before going to sleep.
- 2Expressing incredulity.
Etymology
Probably a shortening of "May you have a good night."
Synonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “good night”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is G-O-O-D- -N-I-G-H-T - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.