sonar

noun 0.674

hydrophone

noun 0.651

sonarman

noun 0.631

buoy

noun 0.617

depth sounder

noun 0.598

dropsonde

noun 0.598

radiosonde

noun 0.595

bell buoy

noun 0.593

mooring buoy

noun 0.587

sonde

noun 0.572

ionosonde

noun 0.563

sonographer

noun 0.561

sonography

noun 0.558

echo sounder

noun 0.556

sonogram

noun 0.555

hydroacoustics

noun 0.549

submarine

noun 0.543

subsonic

noun 0.537

ultrasound

noun 0.534

subwoofer

noun 0.534

bathyscaphe

noun 0.518

radio beacon

noun 0.517

sonorant

noun 0.514

supersonic

noun 0.514

sponson

noun 0.511

sounding

noun 0.511

submersible

noun 0.510

bathysphere

noun 0.510

sound wave

noun 0.510

underwater

noun 0.510

echolocation

noun 0.508

sonant

noun 0.507

suona

noun 0.505

ultrasonics

noun 0.505

woofer

noun 0.504

insonation

noun 0.503

ultrasonography

noun 0.502