woodiness vs wood grain

woodiness and wood grain both are nouns.

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

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

Other synonyms of woodiness include woodgrain.

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