The term 'House of Cards' can be summarized by two crossword solutions: 'FULL' (4 letters) and 'CASINO' (6 letters). 'FULL' is an adjective meaning having all its proper parts or elements; complete. It is often used to describe a house of cards, which is a structure built out of playing cards. 'CASINO' is a noun referring to a public building or room for entertainment, especially gambling. This term is also associated with the game of poker, which is often played in casinos.