heart sound

noun 0.671

sound

noun 0.628

found sound

noun 0.601

sounding

noun 0.582

resound

noun 0.559

sound effect

noun 0.555

speed of sound

noun 0.555

second

noun 0.553

sound energy

noun 0.546

sound post

noun 0.537

sound wave

noun 0.537

infrasound

noun 0.521

split second

noun 0.521

second serve

noun 0.517

subharmonic

noun 0.515

resounding

noun 0.515

major second

noun 0.508

backbeat

noun 0.504

secondborn

noun 0.504

echo sounding

noun 0.504

seconde

noun 0.502

sonar

noun 0.502