MMO
/ˌɛm.ɛmˈoʊ/noun
MMO is spelled M-M-O: 3 letters and 3 syllables. It appears about once in every 2 million words in written English, the 36,565th most frequent word form (wordfreq, 2021 data). As a noun, MMO means “Initialism of massively multiplayer online game” (English Wiktionary, September 2026). The plural of MMO is MMOs.
How many letters and syllables are in MMO?
| Letters | 3: M-M-O |
|---|---|
| Syllables | 3 (from its pronunciation) |
| In writing | about once in every 2 million words; the 36,565th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is MMO?
MMO appears about once in every 2 million words in written English, the 36,565th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce MMO?
- UK /ˌɛm.ɛmˈəʊ/
- US /ˌɛm.ɛmˈoʊ/
MMO has 3 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with MMO?
The 12 most written words on PlainSpell end in the same sounds as MMO from its last stressed vowel (/oʊ/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of MMO
- MMOs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does MMO mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Initialism of massively multiplayer online game.
- 2
Maximum operating Mach number; the Mach number which an aircraft should not exceed in the course of routine operation.
- 3
Initialism of methane monooxygenase, see Methane monooxygenase.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).