jointure vs legal jointure

jointure and legal jointure both are nouns.

Word	Noun	Adjective	Verb	Adverb
jointure	Yes	No	No	No
legal jointure	Yes	No	No	No

As nouns, jointure and legal jointure are synonyms defined as:

jointure and legal jointure: (law) an estate secured to a prospective wife as a marriage settlement in lieu of a dower

jointure (noun)	legal jointure (noun)
the act of making or becoming a single unit	(law) an estate secured to a prospective wife as a marriage settlement in lieu of a dower
(law) an estate secured to a prospective wife as a marriage settlement in lieu of a dower