naturalise vs flora

naturalise is not a noun while flora is a noun.

Word	Noun	Adjective	Verb	Adverb
naturalise	No	No	Yes	No
flora	Yes	No	No	No

naturalise (noun)	flora (noun)
	(botany) a living organism lacking the power of locomotion
	all the plant life in a particular region or period

naturalise (verb)	flora (verb)
make into a citizen
make more natural or lifelike
adopt to another place
adapt (a wild plant or unclaimed land) to the environment