coolies / coulees [ˈku:liz]
coolies – n. pl. of coolie – an unskilled, low paid labourer in or from India, China or other Asian countries
coulees – n. pl. of coulees – n. – 1. N. Amer. a deep ravine with steep sides, formed by heavy rain or melting snow; 2. a stream of molten or solidified lava