The correct spelling is moustache.
Some example sentences are:
Hair growing between the nose and lip is a mustache.
Mustache is the US spelling, while moustache is the preferred spelling for English speakers outside of the USA.
There are two accepted spellings, with or without the "O" : mustache/moustache. (The growth of hair between the nose and mouth.)
The correct spelling is "mustache."
The usual spelling is "mustache" but also "moustache."
Mustache is the US spelling of the French word moustache, which was derived from the Italian word mostacchio that came from the Greek mustaki.
The correct spelling in British-English (UK, Australia, etc) ismoustache.The correct spelling in American ismustache.
mustache . 'Moustache' is the spelling that I know.
The OU pair is pronounced as a short U (uh) in English, the A is a short A (ah) and the E is silent. The other common English spelling, mustache, recognizes the U sound.
The correct spelling is usually mustache but also the original French moustache (hair grown on the upper lip).
The right spelling is atmosphere.
Yeah the right spelling is murderer