buses — a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
taxis — arrangement or order, as in one of the physical sciences.
heaps — a group of things placed, thrown, or lying one on another; pile: a heap of stones.
junkers — a member of a class of aristocratic landholders, especially in East Prussia, strongly devoted to militarism and authoritarianism, from among whom the German military forces recruited a large number of its officers.