followers vs mass

followers and mass both are nouns.

Word	Noun	Adjective	Verb	Adverb
followers	Yes	No	No	No
mass	Yes	Yes	Yes	No

As nouns, mass is a hypernym of followers; that is, mass is a word with a broader meaning than followers:

Other hypernyms of followers include hoi polloi, masses, multitude, people, the great unwashed.

followers (noun)	mass (noun)
a group of followers or enthusiasts	the property of a body that causes it to have weight in a gravitational field
	the property of something that is great in magnitude
	the common people generally
	an ill-structured collection of similar things (objects or people)
	a body of matter without definite shape
	(often followed by `of') a large number or amount or extent

followers (adjective)	mass (adjective)
	formed of separate units gathered into a mass or whole

followers (verb)	mass (verb)
	join together into a mass or collect or form a mass