addict vs accustom

addict is a noun but accustom is not a noun.

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

As verbs, accustom is a hypernym of addict; that is, accustom is a word with a broader meaning than addict:

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

Other hypernyms of addict include habituate.

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

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