coarseness vs nubbiness

coarseness and nubbiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
coarseness	Yes	No	No	No
nubbiness	Yes	No	No	No

As nouns, coarseness and nubbiness are synonyms defined as:

coarseness and nubbiness: looseness or roughness in texture (as of cloth)

Other synonyms of coarseness include tweediness.

coarseness (noun)	nubbiness (noun)
looseness or roughness in texture (as of cloth)	looseness or roughness in texture (as of cloth)
the quality of being composed of relatively large particles
the quality of lacking taste and refinement
language or humor that is down-to-earth