蚕座

正座

せいざ

sitting properly, seiza (formal sitting posture)

口座

こうざ

account (e.g. bank)

星座

せいざ

constellation

王座

おうざ

throne, first place

銀座

ぎんざ

Ginza (district in Tokyo), busy shopping district

講座

こうざ

course (e.g. of lectures), academic university unit (professor, lecturers, etc.)

座席

ざせき

seat (esp. in public places or places with assigned seating), seating

座長

ざちょう

chairman, leader of a troupe