航班

hang2 ban1

scheduled flight; flight number; plane; scheduled sailing; sailing number; passenger ship

班机

ban1 ji1

airliner; airplane; plane; CL:趟[tang4],次[ci4]

班长

ban1 zhang3

class monitor; squad leader; team leader; CL:个[ge4]

大班

da4 ban1

tai-pan; business executive; foreign business manager; top class of kindergarten or school grade

班

ban1

team; class; squad; work shift; ranking; CL:个[ge4]; classifier for groups