repaint vs paint

repaint is not a noun while paint is a noun.

Word	Noun	Adjective	Verb	Adverb
repaint	No	No	Yes	No
paint	Yes	No	Yes	No

As verbs, paint is a hypernym of repaint; that is, paint is a word with a broader meaning than repaint:

As verbs, paint is a hypernym of repaint; that is, paint is a word with a broader meaning than repaint:

repaint (noun)	paint (noun)
	a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating
	makeup consisting of a pink or red powder applied to the cheeks
	(basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court

repaint (verb)	paint (verb)
to apply another layer of paint	apply paint to; coat with paint
paint a particular subject again	apply a liquid to; e.g., paint the gutters with linseed oil
	make a painting of
	make a painting