As nouns the difference between plebs and bourgeoisie
is that plebs is while bourgeoisie is , middle class.
plebs
Noun
(head)
The common people, as a whole, or as a group.
Synonyms
* (common people) the canaille, the common people, the great unwashed, the herd, the hoi polloi, the many, the masses, the multitude, the peasantry (when used figuratively), the proletariat (as a class), the rabble, the rank-and-file, the riffraff, the working class
bourgeoisie
Noun
(-)
a class of citizens who were wealthier members of the Third Estate
(Marxism) The capitalist class.
Derived terms
* haute bourgeoisie
* national bourgeoisie, comprador bourgeoisie
* petite bourgeoisie, petty bourgeoisie
* bourgie