trigger vs causing

trigger and causing both are nouns.

Word	Noun	Adjective	Verb	Adverb
trigger	Yes	No	Yes	No
causing	Yes	No	No	No

As nouns, causing is a hypernym of trigger; that is, causing is a word with a broader meaning than trigger:

Other hypernyms of trigger include causation.

trigger (noun)	causing (noun)
an act that sets in motion some course of events	the act of causing something to happen
lever that activates the firing mechanism of a gun
a device that activates or releases or causes something to happen

trigger (verb)	causing (verb)
release or pull the trigger on
put in motion or move to act