shrubbery vs botany

shrubbery and botany both are nouns.

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

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

Other hypernyms of shrubbery include flora, vegetation.

shrubbery (noun)	botany (noun)
a collection of shrubs growing together	the branch of biology that studies plants
an area where a number of shrubs are planted	all the plant life in a particular region or period