actor / actress
waiter / waitress
god/ goddess
lion/ lioness
landlord/ landlady
prince/ princess
host/ hostess
administrator /administratrix
suffragist /suffragette
usher /usherette
comedienne/ comedian
spokesman/spokeswoman
conductor/conductress
tutor/tutress
pressman/presswoman(女记者,女新闻工作者）
salesman/saleswoman
规律还是有的,一般“女”的后缀是：woman,ess,tte
你这个问题有意思,回头我好好整理一下,发给你!