奥床しい[okuyukashii] refined
温床[onshou] hotbed
川床[kawadoko] riverbed
火床[hidoko] fire bed
臥床[gashou] confined to bed

岩床[ganshou] bedrock
起床[kishou] rising
胡床[agura] sitting cross-legged (i.e. Indian style)
胡床をかく[agurawokaku] to sit cross-legged
鉱床[koushou] ore deposit