The following are irregular words, in which the distinction of sex is chiefly made by the termination: amoroso, amorosa: archduke, archduchess; chamberlain, chambermaid; duke, duchess; gaffer, gammer; goodman, goody; hero, heroine; landgrave, landgravine; margrave, margravine; marquis, marchioness; palsgrave, palsgravine; sakeret, sakerhawk; sewer, sewster; sultan, sultana; tzar, tzarina; tyrant, tyranness; widower, widow. OBS.