Green’s Dictionary of Slang

twittle-(cum-)twattle n.

a gossip, a busybody.

J. Phillips [trans.] Cervantes Don Quixote 466: [A]ll your Lady Matrons are such Impertinent troublesome Gossips [. . .] there can be no good expected from these Distressed Twittle cum Twattles.
J. Phillips [trans.] Cervantes Don Quixote 613: Good Neece, and you Mrs. Twittle Twattle, hold your Peace, quo Don Quixote.