environs vs melting pot

environs and melting pot both are nouns.

Word	Noun	Adjective	Verb	Adverb
environs	Yes	No	No	No
melting pot	Yes	No	No	No

As nouns, melting pot is a hyponym of environs; that is, melting pot is a word with a more specific, narrower meaning than environs:

environs: the area in which something exists or lives
melting pot: an environment in which many ideas and races are socially assimilated

Other hyponyms of environs include ambiance, ambience, medium, scene, setting, element, habitat, home ground, parts.

environs (noun)	melting pot (noun)
the area in which something exists or lives	a vessel made of material that does not melt easily; used for high temperature chemical reactions
an outer adjacent area of any place	an environment in which many ideas and races are socially assimilated