roughcast vs rough-hew

roughcast is a noun but rough-hew is not a noun.

Word	Noun	Adjective	Verb	Adverb
roughcast	Yes	No	Yes	No
rough-hew	No	No	Yes	No

As verbs, roughcast and rough-hew are synonyms defined as:

roughcast (noun)	rough-hew (noun)
a rough preliminary model
a coarse plaster for the surface of external walls

roughcast (verb)	rough-hew (verb)
hew roughly, without finishing the surface	hew roughly, without finishing the surface
apply roughcast to
shape roughly