nubby vs homespun

nubby is not a noun while homespun is a noun.

Word	Noun	Adjective	Verb	Adverb
nubby	No	Yes	No	No
homespun	Yes	Yes	No	No

As adjectives, nubby and homespun are synonyms defined as:

Other synonyms of nubby include nubbly, slubbed, tweedy.

nubby (noun)	homespun (noun)
	a rough loosely woven fabric originally made with yarn that was spun at home

nubby (adjective)	homespun (adjective)
of textiles; having a rough surface	made of cloth spun or woven in the home
	of textiles; having a rough surface
	characteristic of country life