sound vs knock

Other hyponyms of sound include bong, beat, beep, bleep, bell, toll, bombilation, bombination, buzz, chink, click, clink, chirp, chirrup, twitter, chorus, click-clack, clip-clop, clippety-clop, clop, clopping, clumping, clunking, cry, ding, drip, dripping, drum, footfall, footstep, step, gargle, gurgle, jangle, jingle, knocking, murmur, murmuration, murmuring, mussitation, mutter, muttering, noise, drum roll, paradiddle, roll, pat, rap, tap, patter, peal, pealing, roll, rolling, ping, plunk, pop, popping, purr, quack, quaver, ring, ringing, tintinnabulation, drumbeat, rataplan, rub-a-dub, sigh, skirl, song, strum, susurration, susurrus, swish, tapping, throbbing, clump, clunk, thud, thump, thumping, thrum, thunk, tick, ticking, ting, tinkle, toot, tootle, trample, trampling, twang, vibrato, voice, vroom, whack, birr, whir, whirr, whirring, whistle, whistling, whiz, zing, zizz.

Other hyponyms of sound include snarl, sing, whistle, blow, ting, make noise, noise, resound, splat, twang, clang, clangor, clank, clangor, clangour, boom, boom out, beat, drum, thrum, rattle, beat, tick, ticktack, ticktock, resonate, vibrate, crash, tweet, twirp, skirl, gurgle, glug, blow, whish, guggle, ping, ping, pink, trump, squelch, chug, peal, ring, bombilate, bombinate, buzz, chime, rustle, crack, snap, crack, beep, blare, claxon, honk, toot, whistle, echo, resound, reverberate, ring, thud, thump, clop, clump, clunk, plunk, patter, pitter-patter, pink, rap, tap, click, tick, chatter, click, pop, chink, clink, tink, tinkle, slosh, slush, splash, splosh, hum, thrum, bleep, grumble, rumble, boom, din, bang, babble, bubble, burble, guggle, gurgle, ripple, lap, swish, swoosh, swosh, drone, birr, purr, whir, whirr, whiz, whizz, roll.