clack
[verb]
Synonyms: chat, babble, chatter, gab, gabble, jaw, prate, prattle, yak, yakety-yak, rattle, bicker, clatter, clitter, ruttle, shatter
[noun]
Synonyms: chatter, babble, blab, blabber, chat, gabble, jabber, palaver, prattle, yak, gossip, carrytale, long tongue, quidnunc, rumormonger, scandalmonger, sieve, tabby, talebearer, telltale

[TahlilGaran] English Synonym Dictionary ▲

clack /klæk/ verb
[Date: 1200-1300; Origin: From the sound]
[intransitive] to make a continuous short hard sound:
the sound of high heels clacking across the courtyard
—clack noun [singular]:
the clack of typewriters

[TahlilGaran] Dictionary of Contemporary English ▲