Synonyms of rackety

2 Syllables
noisier, jumping, riotous, screaming, raspy, strident, rowdy, piercing, booming, loudmouth, noisy, blatant
3 Syllables
chattering, turbulent, deafening, rambunctious, clamorous, ear-splitting, uproarious, clangorous, ear-popping, blusterous, clattery, strepitous, boisterous
4 Syllables
vociferous, cacophonous, disorderly, obstreperous
6 Syllables
tumultous/tumultuous