tropical vs trope

tropical is not a noun while trope is a noun.

Word	Noun	Adjective	Verb	Adverb
tropical	No	Yes	No	No
trope	Yes	No	No	No

tropical (noun)	trope (noun)
	language used in a figurative or nonliteral sense

tropical (adjective)	trope (adjective)
of or relating to the tropics, or either tropic
relating to or situated in or characteristic of the tropics (the region on either side of the equator)
characterized by or of the nature of a trope or tropes; changed from its literal sense
of weather or climate; hot and humid as in the tropics