zoarium vs colony

zoarium and colony both are nouns.

Word	Noun	Adjective	Verb	Adverb
zoarium	Yes	No	No	No
colony	Yes	No	No	No

As nouns, colony is a hypernym of zoarium; that is, colony is a word with a broader meaning than zoarium:

zoarium (noun)	colony (noun)
a colony of zooids.	a body of people who settle far from home but maintain ties with their homeland; inhabitants remain nationals of their home state but are not literally under the home state's system of government
	a group of organisms of the same type living or growing together
	(microbiology) a group of organisms grown from a single parent cell
	a geographical area politically controlled by a distant country
	a place where a group of people with the same interest or occupation are concentrated