Answer :
tiger-tigress
bridegroom-bride
fox-vixen
wizard -witch
monk-nun
brother-sister
governer-governess
ram-ewe
duke-dutchess
horse-mare
buck-doe
drone-bee
uncle-aunt
king-queen
nephew-niece
bridegroom-bride
fox-vixen
wizard -witch
monk-nun
brother-sister
governer-governess
ram-ewe
duke-dutchess
horse-mare
buck-doe
drone-bee
uncle-aunt
king-queen
nephew-niece