The term 'KIND OF GROUP' can be broken down into three separate crossword solutions: AGE (3 letters), SPLINTER (8 letters), and PEER (4 letters). An AGE group is a group of people who are of a similar AGE, such as teenagers or seniors. A SPLINTER group is a group that has broken away from a larger organization, often due to ideological differences. Finally, a PEER group is a group of people who are of the same social standing, such as classmates or colleagues.