- nightshade (n.)
- Old English nihtscada, literally "shade of night," perhaps in allusion to the poisonous berries. A common Germanic compound, cognates: Dutch nachtschade, German Nachtschatten.
- nightspot (n.)
- also night spot, "nightclub," 1936, from night (n.) + spot (n.) "place."
- nightstick (n.)
- also night-stick, 1887, from night + stick (n.). So called because it was carried on night patrols.