lordship vs say-so

lordship and say-so both are nouns.

Word	Noun	Adjective	Verb	Adverb
lordship	Yes	No	No	No
say-so	Yes	No	No	No

As nouns, say-so is a hypernym of lordship; that is, say-so is a word with a broader meaning than lordship:

Other hypernyms of lordship include authorisation, authority, authorization, dominance, potency.

lordship (noun)	say-so (noun)
the authority of a lord	the power or right to give orders or make decisions
	an authoritative declaration
	one chap's arbitrary assertion