wood vs botany

wood and botany both are nouns.

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

As nouns, botany is a hypernym of wood; that is, botany is a word with a broader meaning than wood:

Other hypernyms of wood include flora, vegetation.

wood (noun)	botany (noun)
any wind instrument other than the brass instruments	the branch of biology that studies plants
a golf club with a long shaft used to hit long shots; originally made with a wooden head	all the plant life in a particular region or period
the trees and other plants in a large densely wooded area
the hard fibrous lignified substance under the bark of trees