lordship vs potency

lordship and potency both are nouns.

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

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

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

lordship (noun)	potency (noun)
the authority of a lord	capacity to produce strong physiological or chemical effects
	the power or right to give orders or make decisions
	the state of being potent; a male's capacity to have sexual intercourse
	the inherent capacity for coming into being