junction vs connective

junction and connective both are nouns.

Word	Noun	Adjective	Verb	Adverb
junction	Yes	No	No	No
connective	Yes	Yes	No	No

As nouns, connective is a hypernym of junction; that is, connective is a word with a broader meaning than junction:

Other hypernyms of junction include connecter, connection, connector, connexion.

junction (noun)	connective (noun)
an act of joining or adjoining things	an instrumentality that connects
the place where two or more things come together	an uninflected function word that serves to conjoin words or phrases or clauses or sentences
something that joins or connects
the shape or manner in which things come together and a connection is made
the state of being joined together

junction (adjective)	connective (adjective)
	connecting or tending to connect