The term 'Female in the Family' can be summarized by two crossword solutions: niece (5 letters) and aunt (4 letters). A niece is a female relative who is the daughter of one's sibling or the daughter of one's spouse's sibling. An aunt is a female relative who is the sister of one's parent or the wife of one's parent's brother. Both a niece and an aunt are considered female members of the family.