miaow vs miaou

miaow and miaou both are nouns.

Word	Noun	Adjective	Verb	Adverb
miaow	Yes	No	Yes	No
miaou	Yes	No	Yes	No

As nouns, miaow and miaou are synonyms defined as:

Other synonyms of miaow include meow, mew, miaul.

As verbs, miaow and miaou are synonyms defined as:

miaow (noun)	miaou (noun)
the sound made by a cat (or any sound resembling this)	the sound made by a cat (or any sound resembling this)

miaow (verb)	miaou (verb)
make a cat-like sound	make a cat-like sound