mist over vs mist

mist over is not a noun while mist is a noun.

Word	Noun	Adjective	Verb	Adverb
mist over	No	No	Yes	No
mist	Yes	No	Yes	No

As verbs, mist over and mist are synonyms defined as:

mist over (noun)	mist (noun)
	a thin fog with condensation near the ground

mist over (verb)	mist (verb)
become covered with mist	become covered with mist
	spray finely or cover with mist
	make less visible or unclear