Puca is a 4 letter English word.
You can make 27 anagrams from letters in puca (acpu).
Irish púca; see Puck
Then the puca said to pay the Piper, and every old woman drew out a gold piece and gave it to him.
The gander cleaned the table, and carried it away, and the puca said, “Play up music for these ladies.”
They went out then, and just as he was going to ride on the puca, the gander came up to him and gave him a new set of pipes.
Then the puca struck three blows with his foot, and a great door opened, and they passed in together into a fine room.
The puca rushed him across hills and bog and rough places, till he brought him to the top of Croagh Patric.