zeal vs eagerness

zeal and eagerness both are nouns.

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

As nouns, zeal and eagerness are synonyms defined as:

Other synonyms of zeal include forwardness, readiness.

As nouns, eagerness is a hypernym of zeal; that is, eagerness is a word with a broader meaning than zeal:

Other hypernyms of zeal include avidity, avidness, keenness.

zeal (noun)	eagerness (noun)
prompt willingness	prompt willingness
a feeling of strong eagerness (usually in favor of a person or cause)	a positive feeling of wanting to push ahead with something
excessive fervor to do something or accomplish some end