All in the Family is a term used to describe a group of people who are closely RELATED. Pureblood (9 letters) is a term used to describe someone who has no known ancestors of a different race or ethnicity. AKIN (4 letters) is a word used to describe someone who is RELATED to another person, usually by blood. KIN (3 letters) is a term used to describe a group of people who are RELATED by blood or marriage. RELATED (7 letters) is a term used to describe two or more people who are connected by blood, marriage, or adoption. All of these terms can be used to describe a family unit that is closely connected.