Two who are very similar. / (card games) A combination of two cards of the same rank. / (card games) A hand in which the best combination is two of a kind.

(card games) five cards of the same rank, often only possible if one or more wild cards are being used.

Alternative form of four of a kind

Alternative form of five of a kind

Alternative form of two of a kind

(slang) Alternative form of kine bud

Alternative form of three of a kind

(idiomatic) Used as a polite closing of a letter

(informal) vaguely similar to

Alternative form of kindhearted