一升[isshou] unit of old Japanese liquid measurement
一升壜[isshoubin] 1 sho bottle (1.8 litres)
升目[masume] measure
升席[masuseki] tatami "box seat" for four people at sumo, kabuki, etc.
升形[masugata] square (shape)

升遷[shousen] rising up
升酒[masuzake] alcohol (esp. sake) served in a small wooden box
升売り[masuuri] selling something by the boxful (in a wooden masu box)
蓮華升麻[rengeshouma] false anemone (Anemonopsis macrophylla)

一席[isseki] sitting
運転席[untenseki] driver's seat (in a car)
宴席[enseki] banquet
会席[kaiseki] meeting place
会席膳[kaisekizen] elaborate dinner tray

会席料理[kaisekiryouri] set of dishes served on an individual tray for entertaining guests
外野席[gaiyaseki] outfield bleachers
滑席[kasseki] sliding seat
寄せ席[yoseseki] musical hall
議席[giseki] parliamentary seat