junction vs connection

junction and connection both are nouns.

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

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

junction: an act of joining or adjoining things
connection: the act of bringing two things into contact (especially for communication)

Other hypernyms of junction include connexion, joining.

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

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

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

junction: the shape or manner in which things come together and a connection is made
connection: a connecting shape

Other hypernyms of junction include connexion, link.

junction (noun)	connection (noun)
an act of joining or adjoining things	the act of bringing two things into contact (especially for communication)
the place where two or more things come together	shifting from one form of transportation to another
something that joins or connects	an instrumentality that connects
the shape or manner in which things come together and a connection is made	the process of bringing ideas or events together in memory or imagination
the state of being joined together	a supplier (especially of narcotics)
	(usually plural) a person who is influential and to whom you are connected in some way (as by family or friendship)
	a relation between things or events (as in the case of one causing the other or sharing features with it)
	a connecting shape
	the state of being connected