Yes, there is more than one C.
That should pretty much give away the subject if not the title.
T H E __ __ A C __ C O __ N T:
__ __ O R __, R E __ O __ __T I O N,
__ E T R A __ A __, A N __ T H E
R E A __ C O __ N T O __
__ O N T E C R I S T O
used: A, C, E, I, H, N, O, R, S, T, W