лепетать bedeutet auf Englisch

babble [babbled, babbling, babbles]▼(to utter words indistinctly)
verb
[UK: ˈbæb.l̩] [US: ˈbæb.l̩]

prattle [prattled, prattling, prattles]▼(to talk incessantly; to babble)
verb
[UK: ˈpræt.l̩] [US: ˈpræt.l̩]