ecology vs community

ecology and community both are nouns.

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

ecology (noun)	community (noun)
the branch of biology concerned with the relations between organisms and their environment	a group of people living in a particular local area
the environment as it relates to living organisms	(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
	a group of people having a religion, ethnic, profession, or other particular characteristic in common
	a group of nations having common interests
	a district where people live; occupied primarily by private residences
	common ownership
	agreement as to goals