glint vs spark

glint and spark both are nouns.

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

As nouns, glint and spark are synonyms defined as:

Other synonyms of glint include flicker.

glint (noun)	spark (noun)
a spatially localized brightness	merriment expressed by a brightness or gleam or animation of countenance
a momentary flash of light	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

glint (verb)	spark (verb)
be shiny, as if wet	put in motion or move to act
throw a glance at; take a brief look at	emit or produce sparks