gild vs athenaeum

gild and athenaeum both are nouns.

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

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

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

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

gild (verb)	athenaeum (verb)
decorate with, or as if with, gold leaf or liquid gold