daub vs painting

daub and painting both are nouns.

Word	Noun	Adjective	Verb	Adverb
daub	Yes	No	Yes	No
painting	Yes	No	No	No

As nouns, painting is a hypernym of daub; that is, painting is a word with a broader meaning than daub:

daub: an unskillful painting
painting: graphic art consisting of an artistic composition made by applying paints to a surface

Other hypernyms of daub include picture.

daub (noun)	painting (noun)
an unskillful painting	creating a picture with paints
a blemish made by dirt	the occupation of a house painter
material used to daub walls	the act of applying paint to a surface
	graphic art consisting of an artistic composition made by applying paints to a surface

daub (verb)	painting (verb)
cover (a surface) by smearing (a substance) over it
coat with plaster
apply to a surface