expansive vs cavernous

expansive and cavernous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
expansive	No	Yes	No	No
cavernous	No	Yes	No	No

expansive (adjective)	cavernous (adjective)
able or tending to expand or characterized by expansion	filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
friendly and open and willing to talk	being or suggesting a cavern
marked by exaggerated feelings of euphoria and delusions of grandeur
of behavior that is impressive and ambitious in scale or scope