hap vs spark

hap and spark both are nouns.

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

hap (noun)	spark (noun)
an accidental happening	merriment expressed by a brightness or gleam or animation of countenance
	a momentary flash of light
	a small fragment of a burning substance thrown out by burning material or by friction
	electrical conduction through a gas in an applied electric field
	a small but noticeable trace of some quality that might become stronger

hap (verb)	spark (verb)
come to pass	put in motion or move to act
	emit or produce sparks