Canasta Combo is a card GAME that combines elements of the classic GAME Canasta with the modern GAME of rummy. The term 'Canasta Combo' is made up of four words, each with four or five letters. The first word is 'MELD, ' which is a noun meaning to combine cards of the same rank into a set. The second word is 'MELDS, ' which is the plural form of the word 'MELD.' The third word is 'TREY, ' which is a noun referring to a playing card with three pips. The fourth and final word is 'GAME, ' which is a noun referring to an activity involving two or more players.