life preserver

noun 0.808

life belt

noun 0.759

bulletproof vest

noun 0.670

vest

noun 0.661

ballistic vest

noun 0.613

lifeguard

noun 0.601

lifesaver

noun 0.596

lifeboat

noun 0.595

wetsuit

noun 0.585

gilet

noun 0.584

undervest

noun 0.572

waistcoat

noun 0.571

drysuit

noun 0.551

safety belt

noun 0.544

diving suit

noun 0.540

flak jacket

noun 0.539

lifeboatman

noun 0.538

lifeguarding

noun 0.537

seat belt

noun 0.535

space suit

noun 0.532

swimsuit

noun 0.528

buoy

noun 0.527

money belt

noun 0.521

surf lifesaving

noun 0.516

breeches buoy

noun 0.514

straitjacket

noun 0.514

ventilator

noun 0.512

down jacket

noun 0.509

snowsuit

noun 0.506

lifeline

noun 0.504

helmet

noun 0.503

aqualung

noun 0.502

swimming costume

noun 0.502

bathing suit

noun 0.502

bicycle helmet

noun 0.501