moon
/muːn/
"moon" is a 4-letter English headword indexed on PlainSpell.
The verdict
“moon” sits in 20 confusable pairs (corpus #2,048) as a proper noun. The look-alike neighbours are the real trap.
- #2,048
- frequency rank, English
- 4,057
- “M” headwords
- 4
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative letter-case form of Moon (“the Earth's only permanent natural satellite”).
Corpus desk
Index EN-moon · moon · English
moon · rank #2,048 · 4 variants · 20 confusables
- FREQ-COMMON #2,048
- LEN-MID 4 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-LOW 4 variants
- BOOK-MID 4,057
- PHOTO-FINISH limit
Nearest frequency peer: limit (-1 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.
Frequency neighbours of confusable “moon”
Peers at similar corpus weight, separate from look-alike pairs below
- intended
intended
97,956 corpus weight
- labour
labour
97,955 corpus weight
- limit
limit
97,954 corpus weight
- moon
moon
97,953 corpus weight
- ocean
ocean
97,952 corpus weight
- Powers
Powers
97,951 corpus weight
What this shows Bars place “moon” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | moon |
| Language | English |
| Part of speech | Proper noun |
| IPA | /muːn/ |
| Letters | 4 |
| Frequency rank | #2,048 |
| Misspellings tracked | 4 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “moon”
Easy to mix with look-alikes
The spelling risk for moon is neighbouring look-alikes ("MoS", "mop", …), not just typos; it is aproper noun pronounced /muːn/. Frequency #2,048 among 4,057 “M” headwords. Gloss: "Alternative letter-case form of Moon (“the Earth's only permanent natural satellite”).".
Our generated misspelling index lists 4 likely wrong-spelling variants for moon, with forms such as "mmoon", "mono", and "moonn". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "MoS", "mop", "MOR", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Middle English mone, from Old English mōna (“moon”), from Proto-West Germanic *mānō, from Proto-Germanic *mēnô (“moon”), from Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably from *meh₁- (“to measure”). cognates and doublets Cognate with Scots mo… The correct English form is moon, spelled M-O-O-N.
Definition
- 1Alternative letter-case form of Moon (“the Earth's only permanent natural satellite”).
Recorded use
Wiktionary examplesThese source excerpts show how moon appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Immediatly after the tribulacions off thoſe dayes / ſhall the ſun be derkeneth: and the mone ſhall not geve her light / and the ſtarrꝭ ſhall fall from heven / and the powers of hevẽ ſhall move
"I suppose I may have leave to do that!" Yes, she could do that, he said, but there was no road to that place; it lay east of the sun and west of the moon, and she could never find her way there.
Etymology
From Middle English mone, from Old English mōna (“moon”), from Proto-West Germanic *mānō, from Proto-Germanic *mēnô (“moon”), from Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably from *meh₁- (“to measure”). cognates and doublets Cognate with Scots mone, mune, muin (“moon”), North Frisian muun (“moon”), Saterland Frisian Moune (“moon”), West Frisian moanne (“moon”), Dutch maan (“moon”), German Mond (“moon”), Danish måne (“moon”), Norwegian Bokmål måne (“moon”), Norwegian Nynorsk måne (“moon”), Swedish måne (“moon”), Faroese máni (“moon”), Icelandic máni (“moon”), Latin mēnsis (“month”). See also month, a related term within Indo-European. The usage of "moon" to refer to the act reflected its use as a metaphor for the buttocks since 1743. It was popularised from American student slang in the 1960s.
Common misspellings
Also misspelled as:
- mmoon
- mono
- moonn
- omon
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of moon - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "moon"?
What does "moon" mean?
What words are commonly confused with "moon"?
How do you pronounce "moon"?
What is the origin of the word "moon"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "moon", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).