sassy vs saucy

sassy and saucy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sassy	No	Yes	No	No
saucy	No	Yes	No	No

As adjectives, sassy and saucy are synonyms defined as:

Other synonyms of sassy include fresh, impertinent, impudent, overbold, smart, wise.

sassy (adjective)	saucy (adjective)
improperly forward or bold	improperly forward or bold
	characterized by a lightly pert and exuberant quality