puzzle
noun
- 1
a game that tests your ingenuity
- 2
a particularly baffling problem that is said to have a correct solution
he loved to solve chessmate puzzles
that's a real puzzler
verb
- 1
be a mystery or bewildering to
This beats me!
Got me--I don't know the answer!
- 2
be uncertain about; think about without fully understanding or being able to decide
We puzzled over her sudden departure
Also useful for “puzzle”:Scrabble— High-value letters — see what it scores