half-moon
"half-moon" is a 8-letter English headword indexed on PlainSpell.
The verdict
“half-moon” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.
| Property | Value |
|---|---|
| Headword | half-moon |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “half-moon” sits in English frequency
Rare enough to double-check
half-moon is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 4 senses are on record.
half-moon doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From half- + moon. The correct English form is half-moon, spelled H-A-L-F---M-O-O-N.
Definition
- 1The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.
- 2Anything shaped like a crescent, especially the base of a fingernail.
- 3A semicircular or crescent-shaped Filipino butter cookie.
- 4Synonym of black and white (“type of cookie”).
Etymology
From half- + moon.
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
How do you spell "half-moon"?
What does "half-moon" mean?
What is the origin of the word "half-moon"?
Is PlainSpell free to use?
Using “half-moon”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-A-L-F---M-O-O-N - 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.