to prate is a form of:

Prate



ENGLISH MEANING
noun
1.
Talk to little purpose; trifling talk; unmeaning loquacity.
verb
1.
(INTRANSITIVE) To talk much and to little purpose; to be loquacious; to speak foolishly; to babble.
2.
(TRANSITIVE) To utter foolishly; to speak without reason or purpose; to chatter, or babble.