wood vs thumbhole

wood and thumbhole both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood	Yes	No	No	No
thumbhole	Yes	No	No	No

wood (noun)	thumbhole (noun)
any wind instrument other than the brass instruments	a finger hole made to fit the thumb (as in a bowling ball)
a golf club with a long shaft used to hit long shots; originally made with a wooden head	the hole in a woodwind that is closed and opened with the thumb
the trees and other plants in a large densely wooded area
the hard fibrous lignified substance under the bark of trees