Prates

12 clues
Yaks
Babbles
Jabbers
Prattles
Blathers
Chatters
Yaks away
Talks idly
Talks nonsense
Talks on and on
Talks foolishly
Acts the magpie
Similar answers:
Aaronites
Abates
Abbreviates
Abdicates
Ablates
Abnegates
Abominates
Abrogates
Abruptest
Absolutes
Absolutesilence
Abtesting
Accelerates
Accentuates
Accretes
Acerbates
Acesatest
Acestes
Acetates
Achates