Kith and kin is an old English phrase used to refer to FAMILY, friends, and other people related by blood or marriage. The term is often used to describe a close-knit group of people who are connected by strong ties of friendship and loyalty. In the crossword, the solutions for kith and kin are FAMILY (6 letters), TRIBE (5 letters), FOLKS (5 letters), and cousinry (8 letters). FAMILY refers to a group of people related by blood or marriage, while TRIBE is a larger group of people related by common ancestry. FOLKS is a more informal term for people, usually used to refer to a group of people who are close to each other. Finally, cousinry is a collective term for a group of cousins.