Asia vs continent

Asia and continent both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asia	Yes	No	No	No
continent	Yes	Yes	No	No

Asia (noun)	continent (noun)
the nations of the Asian continent collectively	one of the large landmasses of the earth
the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations

Asia (adjective)	continent (adjective)
	having control over urination and defecation
	abstaining from sexual intercourse