coalition vs jointure

coalition and jointure both are nouns.

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

As nouns, jointure is a hypernym of coalition; that is, jointure is a word with a broader meaning than coalition:

coalition: the union of diverse things into one body or form or group; the growing together of parts
jointure: the act of making or becoming a single unit

Other hypernyms of coalition include conjugation, unification, union, uniting.

coalition (noun)	jointure (noun)
the union of diverse things into one body or form or group; the growing together of parts	the act of making or becoming a single unit
an organization of people (or countries) involved in a pact or treaty	(law) an estate secured to a prospective wife as a marriage settlement in lieu of a dower
the state of being combined into one body