祭祖

祭祖	jì zǔ	to offer sacrifices to one's ancestors
祭	Zhài	surname Zhai
祭	jì	to offer a sacrifice to (gods or ancestors) / (in classical novels) to recite an incantation to activate a magic weapon; to wield (sth magic) / (bound form) ceremony / (Tw) (bound form) (celebratory) festival
祖	Zǔ	surname Zu
祖	zǔ	ancestor / forefather / grandparents