phonetics vs assimilate

phonetics is a noun but assimilate is not a noun.

Word	Noun	Adjective	Verb	Adverb
phonetics	Yes	No	No	No
assimilate	No	No	Yes	No

phonetics (noun)	assimilate (noun)
the branch of acoustics concerned with speech processes including its production and perception and acoustic analysis

phonetics (verb)	assimilate (verb)
	become similar to one's environment
	make similar
	become similar in sound
	take up mentally
	take (gas, light or heat) into a solution