miscaller

Etymology

From miscall + -er.

miscaller means One who calls something by the wrong name. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

One who calls something by the wrong name.“The Dutch in South Africa have always been rather curious miscallers of the various animals of their country.”
One who makes an incorrect call.“When the loser thinks he has the hand beat he turns over his hand only to find that the winner has miscalled his hand, and since "cards speak," the miscaller wins.”