baronetcy vs barony

baronetcy and barony both are nouns.

Word	Noun	Adjective	Verb	Adverb
baronetcy	Yes	No	No	No
barony	Yes	No	No	No

As nouns, baronetcy and barony are synonyms defined as:

baronetcy and barony: the rank or dignity or position of a baronet or baroness

baronetcy (noun)	barony (noun)
the title of a baron	the domain of a baron
the rank or dignity or position of a baronet or baroness	the estate of a baron
	the rank or dignity or position of a baronet or baroness