coincide vs happen

coincide and happen both are verbs.

Word	Noun	Adjective	Verb	Adverb
coincide	No	No	Yes	No
happen	No	No	Yes	No

As verbs, happen is a hypernym of coincide; that is, happen is a word with a broader meaning than coincide:

Other hypernyms of coincide include come about, fall out, go on, hap, occur, pass, pass off, take place.

coincide (verb)	happen (verb)
happen simultaneously	come to pass
go with, fall together	come into being; become reality
be the same	happen, occur, or be the case in the course of events or by chance
	come upon, as if by accident; meet with
	chance to be or do something, without intention or causation