keenness vs eagerness

keenness and eagerness both are nouns.

Word	Noun	Adjective	Verb	Adverb
keenness	Yes	No	No	No
eagerness	Yes	No	No	No

As nouns, keenness and eagerness are synonyms defined as:

keenness and eagerness: a positive feeling of wanting to push ahead with something

Other synonyms of keenness include avidity, avidness.

keenness (noun)	eagerness (noun)
thinness of edge or fineness of point	prompt willingness
a quick and penetrating intelligence	a positive feeling of wanting to push ahead with something
a positive feeling of wanting to push ahead with something