paint vs repaint

paint is a noun but repaint is not a noun.

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

As verbs, repaint is a hyponym of paint; that is, repaint is a word with a more specific, narrower meaning than paint:

Other hyponyms of paint include grain, airbrush, ground, prime, undercoat.

As verbs, repaint is a hyponym of paint; that is, repaint is a word with a more specific, narrower meaning than paint:

paint (noun)	repaint (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

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