zesty vs savory

zesty is not a noun while savory is a noun.

Word	Noun	Adjective	Verb	Adverb
zesty	No	Yes	No	No
savory	Yes	Yes	No	No

As adjectives, zesty and savory are synonyms defined as:

Other synonyms of zesty include piquant, savoury.

zesty (noun)	savory (noun)
	either of two aromatic herbs of the mint family
	an aromatic or spicy dish served at the end of dinner or as an hors d'oeuvre
	any of several aromatic herbs or subshrubs of the genus Satureja having spikes of flowers attractive to bees
	dwarf aromatic shrub of Mediterranean regions

zesty (adjective)	savory (adjective)
marked by spirited enjoyment	morally wholesome or acceptable
having an agreeably pungent taste	having a pleasant taste
	having an agreeably pungent taste