Question

give the adjective and noun for prosper

Answer 1

unprospered-adjective
prosperity-noun

Answer 2

The adjective form of "prosper" is "(un)prosper(ed)".
Ex- To prosper is not to be financially rich; at times the most prospered man comes from a poor family.
The noun form is "prosperity".
Ex- If you want to get greater prosperity in your life, create a vacuum to receive it.