environment vs parts

environment and parts both are nouns.

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

As nouns, parts is a hyponym of environment; that is, parts is a word with a more specific, narrower meaning than environment:

Other hyponyms of environment include ambiance, ambience, medium, scene, setting, element, habitat, home ground, melting pot.

environment (noun)	parts (noun)
the area in which something exists or lives	the local environment
the totality of surrounding conditions