athenaeum vs guild

athenaeum and guild both are nouns.

Word	Noun	Adjective	Verb	Adverb
athenaeum	Yes	No	No	No
guild	Yes	No	No	No

As nouns, guild is a hypernym of athenaeum; that is, guild is a word with a broader meaning than athenaeum:

athenaeum: a literary or scientific association for the promotion of learning
guild: a formal association of people with similar interests

Other hypernyms of athenaeum include club, gild, lodge, order, social club, society.

athenaeum (noun)	guild (noun)
a place where reading materials are available	a formal association of people with similar interests
a literary or scientific association for the promotion of learning