zeal vs readiness

zeal and readiness both are nouns.

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

As nouns, zeal and readiness are synonyms defined as:

Other synonyms of zeal include eagerness, forwardness.

zeal (noun)	readiness (noun)
prompt willingness	prompt willingness
a feeling of strong eagerness (usually in favor of a person or cause)	a natural effortlessness
excessive fervor to do something or accomplish some end	(psychology) being temporarily ready to respond in a particular way
	the state of having been made ready or prepared for use or action (especially military action)