intervene vs interfere

intervene and interfere both are verbs.

Word	Noun	Adjective	Verb	Adverb
intervene	No	No	Yes	No
interfere	No	No	Yes	No

As verbs, intervene and interfere are synonyms defined as:

intervene and interfere: get involved, so as to alter or hinder an action, or through force or threat of force

Other synonyms of intervene include interpose, step in.

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