危坐[kiza] sitting up straight
胡坐[agura] sitting cross-legged (i.e. Indian style)
胡坐をかく[agurawokaku] to sit cross-legged
坐り込む[suwarikomu] to sit down (and bask)
坐る[suwaru] to sit

坐禅[zazen] zazen (seated Zen meditation, usu. in a cross-legged position)
坐蒲団[zabuton] zabuton (flat floor cushion used when sitting or kneeling; usu. rectangular)
坐敷[zashiki] tatami room
坐薬[zayaku] suppository
単坐機[tanzaki] single-seated plane

横たえる[yokotaeru] to lay down
横たわる[yokotawaru] to lie down
横っ腹[yokoppara] side
横っ面[yokottsura] side of face
横溢[ouitsu] overflowing

横泳ぎ[yokooyogi] sidestroke (swim.)
横臥[ouga] lying on one's side
横膈膜[oukakumaku] diaphragm (body)
横顔[yokogao] face in profile