devotee vs aficionado

devotee and aficionado both are nouns.

Word	Noun	Adjective	Verb	Adverb
devotee	Yes	No	No	No
aficionado	Yes	No	No	No

As nouns, aficionado is a hyponym of devotee; that is, aficionado is a word with a more specific, narrower meaning than devotee:

devotee: an ardent follower and admirer
aficionado: a serious devotee of some particular music genre or musical performer

devotee (noun)	aficionado (noun)
an ardent follower and admirer	a serious devotee of some particular music genre or musical performer
	a fan of bull fighting