銀座【ぎんざ】
Ginza (Tokyo neighborhood), busy shopping district, bustling location, silver mint (Edo period)
講座【こうざ】
course (e.g. of lectures), academic university unit (professor, lecturers, etc.)
口座【こうざ】
account (e.g. bank)
座席【ざせき】
seat
即座【そくざ】
immediate, right there on the spot, impromptu, instant, instantaneous
座談会【ざだんかい】
symposium, round-table discussion
座敷【ざしき】
tatami room, tatami mat room, formal Japanese room, dinner party in a tatami room (esp. when a geisha or maiko attends)
星座【せいざ】
constellation, astrological sign, star sign, zodiac sign
座る【すわる】
to sit, to squat, to assume (a position), to hold steady, to hold still
座布団【ざぶとん】
zabuton, flat floor cushion used when sitting or kneeling; usu. rectangular
座禅【ざぜん】
zazen (seated Zen meditation, usu. in a cross-legged position)
正座【せいざ】
seiza, kneeling with the tops of the feet flat on the floor, and sitting on the soles