UnScramble this Word: l n i e t a u?

Questions

Games : These are the two highest valued letters in "Scrabble". "Q" and _____.?

Games : This ancient Chinese game is played with 156 small rectangular tiles.?

Games : This is the lowest ranking suit in Bridge.?

Games : This term denotes a chess move in which both the king and the rook are moved.?

Games : What bowling term means three straight strikes?