daub vs roughcast

daub and roughcast both are nouns.

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

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

Other hyponyms of daub include render-set, parget, mud, mortar.

daub (noun)	roughcast (noun)
an unskillful painting	a rough preliminary model
a blemish made by dirt	a coarse plaster for the surface of external walls
material used to daub walls

daub (verb)	roughcast (verb)
cover (a surface) by smearing (a substance) over it	hew roughly, without finishing the surface
coat with plaster	apply roughcast to
apply to a surface	shape roughly