hap vs trigger

hap and trigger both are nouns.

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

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

hap (verb)	trigger (verb)
come to pass	release or pull the trigger on
	put in motion or move to act