night owl
/ˈnaɪt aʊl/
"night-owl" is a 8-letter English headword indexed on PlainSpell.
The verdict
“night owl” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An owl (order Strigiformes) that is nocturnal.
| Property | Value |
|---|---|
| Headword | night owl |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈnaɪt aʊl/ |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “night owl” sits in English frequency
Spelling & Dictionary Insight
The English entry for night owl is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈnaɪt aʊl/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
night owl doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From night + owl, from the fact that the bird is active at night. The correct English form is night owl, spelled N-I-G-H-T- -O-W-L.
Definition
- 1An owl (order Strigiformes) that is nocturnal.
- 2One who goes to bed late, or stays up late at night or in the early hours of the morning.
- 3A musical instrument which imitates an owl's hoot, consisting of a receptacle partly filled with water and a mouthpiece that is blown into.
Etymology
From night + owl, from the fact that the bird is active at night.
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 “night owl”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-I-G-H-T- -O-W-L - every other letter order is a misspelling in standard orthography.
- Say it as /ˈnaɪt aʊl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.