lordship vs authorisation

lordship and authorisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
lordship	Yes	No	No	No
authorisation	Yes	No	No	No

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

Other hypernyms of lordship include authority, authorization, dominance, potency, say-so.

lordship (noun)	authorisation (noun)
the authority of a lord	the act of conferring legality or sanction or formal warrant
	the power or right to give orders or make decisions
	official permission or approval
	a document giving an official instruction or command