admass vs populace

admass and populace both are nouns.

Word	Noun	Adjective	Verb	Adverb
admass	Yes	No	No	No
populace	Yes	No	No	No

As nouns, populace is a hypernym of admass; that is, populace is a word with a broader meaning than admass:

admass: the segment of the public that is easily influenced by mass media (chiefly British)
populace: people in general considered as a whole

Other hypernyms of admass include public, world.

admass (noun)	populace (noun)
the segment of the public that is easily influenced by mass media (chiefly British)	people in general considered as a whole