habitat vs environment

habitat and environment both are nouns.

Word	Noun	Adjective	Verb	Adverb
habitat	Yes	No	No	No
environment	Yes	No	No	No

As nouns, environment is a hypernym of habitat; that is, environment is a word with a broader meaning than habitat:

habitat: the type of environment in which an organism or group normally lives or occurs
environment: the area in which something exists or lives

Other hypernyms of habitat include environs, surround, surroundings.

habitat (noun)	environment (noun)
the type of environment in which an organism or group normally lives or occurs	the area in which something exists or lives
	the totality of surrounding conditions