saucy vs sassy

saucy and sassy both are adjectives.

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

As adjectives, saucy and sassy are synonyms defined as:

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

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