intervene vs come about

intervene and come about both are verbs.

Word	Noun	Adjective	Verb	Adverb
intervene	No	No	Yes	No
come about	No	No	Yes	No

As verbs, come about is a hypernym of intervene; that is, come about is a word with a broader meaning than intervene:

Other hypernyms of intervene include fall out, go on, hap, happen, occur, pass, pass off, take place.

intervene (verb)	come about (verb)
occur between other event or between certain points of time	come to pass
get involved, so as to alter or hinder an action, or through force or threat of force
be placed or located between other things or extend between spaces and events