juncture vs occurrence

juncture and occurrence both are nouns.

Word	Noun	Adjective	Verb	Adverb
juncture	Yes	No	No	No
occurrence	Yes	No	No	No

As nouns, occurrence is a hypernym of juncture; that is, occurrence is a word with a broader meaning than juncture:

Other hypernyms of juncture include happening, natural event, occurrent.

juncture (noun)	occurrence (noun)
an event that occurs at a critical time	an event that happens
the shape or manner in which things come together and a connection is made	an instance of something occurring
a crisis situation or point in time when a critical decision must be made