seigniory vs landed estate

seigniory and landed estate both are nouns.

Word	Noun	Adjective	Verb	Adverb
seigniory	Yes	No	No	No
landed estate	Yes	No	No	No

As nouns, landed estate is a hypernym of seigniory; that is, landed estate is a word with a broader meaning than seigniory:

seigniory: the estate of a seigneur
landed estate: extensive landed property (especially in the country) retained by the owner for his own use

Other hypernyms of seigniory include acres, demesne, estate, land.

seigniory (noun)	landed estate (noun)
the position and authority of a feudal lord	extensive landed property (especially in the country) retained by the owner for his own use
the estate of a seigneur