homespun vs nubby

homespun is a noun but nubby is not a noun.

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

As adjectives, homespun and nubby are synonyms defined as:

Other synonyms of homespun include nubbly, slubbed, tweedy.

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a rough loosely woven fabric originally made with yarn that was spun at home

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