colorise vs streak

colorise is not a noun while streak is a noun.

Word	Noun	Adjective	Verb	Adverb
colorise	No	No	Yes	No
streak	Yes	No	Yes	No

As verbs, streak is a hyponym of colorise; that is, streak is a word with a more specific, narrower meaning than colorise:

colorise: add color to
streak: mark with spots or blotches of different color or shades of color as if stained

colorise (noun)	streak (noun)
	a narrow marking of a different color or texture from the background
	a distinctive characteristic
	a sudden flash (as of lightning)
	an unbroken series of events

colorise (verb)	streak (verb)
add color to	mark with spots or blotches of different color or shades of color as if stained
	move quickly in a straight line
	run naked in a public place