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

御目出度う御座います[omedetougozaimasu] congratulations
一座[ichiza] party
円座[enza] sitting in circle
奥座敷[okuzashiki] inner parlor
横座標[ouzahyou] abscissa

王座[ouza] throne
おうし座[oushiza] Taurus (constellation)
おひつじ座[ohitsujiza] Aries (constellation)
おとめ座[otomeza] Virgo (constellation)
下座[geza] squatting