feudal lordship vs seigniory

feudal lordship and seigniory both are nouns.

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

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

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

Other synonyms of feudal lordship include seigneury.

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