Nice= 1 pleasant; agreeable; satisfactory. It was a nice meal.
2 good-natured; kind. She is a nice person.
3 fine or subtle: a nice distinction.
5 archaic fastidious. He was very nice in his manners.
Kind = 1 considerate and generous. It was kind of him to give you that car.
2 affectionate; loving. She is a kind mother.