botany vs bast

botany and bast both are nouns.

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

botany (noun)	bast (noun)
the branch of biology that studies plants	(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
all the plant life in a particular region or period	strong woody fibers obtained especially from the phloem of from various plants