wise vs saucy

wise is a noun but saucy is not a noun.

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

As adjectives, wise and saucy are synonyms defined as:

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

wise (noun)	saucy (noun)
a way of doing or being

wise (adjective)	saucy (adjective)
having or prompted by wisdom or discernment	improperly forward or bold
improperly forward or bold	characterized by a lightly pert and exuberant quality
evidencing the possession of inside information
marked by the exercise of good judgment or common sense in practical matters