trattle

But when this foolish prophet had so escaped the daunger of the kinge's displeasure, and that he made no more of it, he gate him abroad, and prated thereof at large, as he was a very idle vagabond, and used to trattle and talke more than ynough; so that they which loved the king caused him anon after to be apprehended as a malefactor, and to be throwen in prison, the king not yet knowing thereof.

Memoirs of Extraordinary Popular Delusions and the Madness of Crowds Charles Mackay 1851