marinade vs infuse

marinade is a noun but infuse is not a noun.

Word	Noun	Adjective	Verb	Adverb
marinade	Yes	No	Yes	No
infuse	No	No	Yes	No

As verbs, infuse is a hypernym of marinade; that is, infuse is a word with a broader meaning than marinade:

Other hypernyms of marinade include steep.

marinade (noun)	infuse (noun)
mixtures of vinegar or wine and oil with various spices and seasonings; used for soaking foods before cooking

marinade (verb)	infuse (verb)
soak in marinade	introduce into the body through a vein, for therapeutic purposes
	let sit in a liquid to extract a flavor or to cleanse
	fill, as with a certain quality
	undergo the process of infusion
	teach and impress by frequent repetitions or admonitions