Try Latin ,,names,,,Or Spanish names like mush suggested ,,,, or perhaps names of the planets,,,not Venus though,,,,, or names of the stars,,,or constellations,,,galaxy's ect,,,,,
Or everyday objects,,,they can throw up some clever funny ones,,,like brush,,,broom,,shovel. Spade,,,or makes models of car,,,,vectra,,beetle,,,mini,,,,,you get the idea