habituate vs addict

habituate is not a noun while addict is a noun.

Word	Noun	Adjective	Verb	Adverb
habituate	No	No	Yes	No
addict	Yes	No	Yes	No

As verbs, addict is a hyponym of habituate; that is, addict is a word with a more specific, narrower meaning than habituate:

habituate: make psychologically or physically used (to something)
addict: to cause (someone or oneself) to become dependent (on something, especially a narcotic drug)

Other hyponyms of habituate include harden, indurate, inure, teach, hook.

habituate (noun)	addict (noun)
	someone who is physiologically dependent on a substance or activity
	someone who is so ardently devoted to something that it resembles an addiction

habituate (verb)	addict (verb)
make psychologically or physically used (to something)	to cause (someone or oneself) to become dependent (on something, especially a narcotic drug)
take or consume (regularly or habitually)