moustachio vs moustache

moustachio and moustache both are nouns.

Word	Noun	Adjective	Verb	Adverb
moustachio	Yes	No	No	No
moustache	Yes	No	No	No

As nouns, moustache is a hypernym of moustachio; that is, moustache is a word with a broader meaning than moustachio:

moustachio: a large bushy moustache (with hair growing sometimes down the sides of the mouth)
moustache: an unshaved growth of hair on the upper lip

Other hypernyms of moustachio include mustache.

moustachio (noun)	moustache (noun)
a large bushy moustache (with hair growing sometimes down the sides of the mouth)	an unshaved growth of hair on the upper lip