meritocracy vs social system

meritocracy and social system both are nouns.

Word	Noun	Adjective	Verb	Adverb
meritocracy	Yes	No	No	No
social system	Yes	No	No	No

As nouns, social system is a hypernym of meritocracy; that is, social system is a word with a broader meaning than meritocracy:

meritocracy: a form of social system in which power goes to those with superior intellects
social system: the people in a society considered as a system organized by a characteristic pattern of relationships

Other hypernyms of meritocracy include social organisation, social organization, social structure, structure.

meritocracy (noun)	social system (noun)
the belief that rulers should be chosen for their superior abilities and not because of their wealth or birth	the people in a society considered as a system organized by a characteristic pattern of relationships
a form of social system in which power goes to those with superior intellects