Nouns

(n)streak, runan unbroken series of events“had a streak of bad luck”, “Nicklaus had a run of birdies”
(n)streaka distinctive characteristic“he has a stubborn streak”, “a streak of wildness”
(n)stripe, streak, bara narrow marking of a different color or texture from the background“a green toad with small black stripes or bars”, “may the Stars and Stripes forever wave”
(n)streaka sudden flash (as of lightning)

Verbs

(v)streakmove quickly in a straight line“The plane streaked across the sky”
(v)streakrun naked in a public place
(v)mottle, streak, blotchmark with spots or blotches of different color or shades of color as if stained