impudent vs wise

impudent is not a noun while wise is a noun.

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

As adjectives, impudent and wise are synonyms defined as:

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

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

impudent (adjective)	wise (adjective)
marked by casual disrespect	having or prompted by wisdom or discernment
improperly forward or bold	improperly forward or bold
	evidencing the possession of inside information
	marked by the exercise of good judgment or common sense in practical matters