The term 'PART OF A FULL HOUSE' can be solved by two crossword solutions: SEATS (5 letters) and PAIR (4 letters). A full house is a poker hand consisting of three of a kind and a PAIR. It is one of the most powerful hands in poker, ranking above a flush and below four of a kind. In a full house, the three of a kind is typically made up of a single card rank with two matching cards, while the PAIR is made up of two cards of the same rank. The term 'PART OF A FULL HOUSE' refers to both the three of a kind and the PAIR, as they are both essential components of a full house.