junction vs colligation

junction and colligation both are nouns.

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

As nouns, junction and colligation are synonyms defined as:

Other synonyms of junction include conjugation, conjunction.

junction (noun)	colligation (noun)
an act of joining or adjoining things	the connection of isolated facts by a general hypothesis
the place where two or more things come together	the state of being joined together
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