clickety-clack

• POS: Noun
• HYPHEN: click=e=ty-clack

CIDE DICTIONARY

clickety-clack, n. 

 a fast and rhythmic clicking sound, as of “click-clack”; as, the clickety-clack of the typewriters.  [WordNet 1.5]

ROGET THESAURUS

clickety-clack

Roll

N roll, drumming, berloque, bombination, rumbling, tattoo, drumroll, dingdong, tantara, rataplan, whirr, ratatat, ratatat-tat, rubadub, pitapat, quaver, clutter, charivari, racket, cuckoo, repetition, peal of bells, devil's tattoo, reverberation, clickety-clack, hum, purr, hummingbird, cat, kitten (animal sounds), rolling, monotonous, like a bee in a bottle.