feudal lordship vs seigneury

feudal lordship and seigneury both are nouns.

Word	Noun	Adjective	Verb	Adverb
feudal lordship	Yes	No	No	No
seigneury	Yes	No	No	No

As nouns, feudal lordship and seigneury are synonyms defined as:

feudal lordship and seigneury: the position and authority of a feudal lord

Other synonyms of feudal lordship include seigniory.

feudal lordship (noun)	seigneury (noun)
the position and authority of a feudal lord	the position and authority of a feudal lord
	the estate of a seigneur