people vs hoi polloi

people and hoi polloi both are nouns.

Word	Noun	Adjective	Verb	Adverb
people	Yes	No	Yes	No
hoi polloi	Yes	No	No	No

As nouns, people and hoi polloi are synonyms defined as:

Other synonyms of people include mass, masses, multitude, the great unwashed.

people (noun)	hoi polloi (noun)
(plural) any group of human beings (men or women or children) collectively	the common people generally
the body of citizens of a state or country
members of a family line
the common people generally

people (verb)	hoi polloi (verb)
fill with people
furnish with people