hap vs effect

hap and effect both are nouns.

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

hap (noun)	effect (noun)
an accidental happening	an outward appearance
	(of a law) having legal validity
	an impression (especially one that is artificial or contrived)
	the central meaning or theme of a speech or literary work
	a phenomenon that follows and is caused by some previous phenomenon
	a symptom caused by an illness or a drug

hap (verb)	effect (verb)
come to pass	produce
	act so as to bring into existence