mores vs convention

mores and convention both are nouns.

Word	Noun	Adjective	Verb	Adverb
mores	Yes	No	No	No
convention	Yes	No	No	No

As nouns, convention is a hypernym of mores; that is, convention is a word with a broader meaning than mores:

mores: (sociology) the conventions that embody the fundamental values of a group
convention: something regarded as a normative example

Other hypernyms of mores include formula, normal, pattern, rule.

mores (noun)	convention (noun)
(sociology) the conventions that embody the fundamental values of a group	the act of convening
	orthodoxy as a consequence of being conventional
	something regarded as a normative example
	(diplomacy) an international agreement
	a large formal assembly