ecology vs endemic

ecology and endemic both are nouns.

Word	Noun	Adjective	Verb	Adverb
ecology	Yes	No	No	No
endemic	Yes	Yes	No	No

ecology (noun)	endemic (noun)
the branch of biology concerned with the relations between organisms and their environment	a plant or animal that is native to a certain limited area
the environment as it relates to living organisms	a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location

ecology (adjective)	endemic (adjective)
	of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality
	native to or confined to a certain region
	originating where it is found