wood grain vs woodiness

wood grain and woodiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood grain	Yes	No	No	No
woodiness	Yes	No	No	No

As nouns, wood grain and woodiness are synonyms defined as:

Other synonyms of wood grain include woodgrain.

wood grain (noun)	woodiness (noun)
texture produced by the fibers in wood	the quality of abounding in trees
	texture produced by the fibers in wood