bladder

noun 0.630

swim

noun 0.596

urinary bladder

noun 0.593

bladderwort

noun 0.568

air bubble

noun 0.565

bony fish

noun 0.562

buoyancy

noun 0.561

swimmer

noun 0.560

ballast tank

noun 0.558

gall bladder

noun 0.554

pufferfish

noun 0.545

pelvic fin

noun 0.545

adipose fin

noun 0.541

float tube

noun 0.538

air chamber

noun 0.538

butterfly fish

noun 0.536

swimmy

noun 0.536

flotation tank

noun 0.535

ventral fin

noun 0.534

flying fish

noun 0.533

pectoral fin

noun 0.529

swimming

noun 0.528

butterflyfish

noun 0.527

boxfish

noun 0.525

saccule

noun 0.525

fish tank

noun 0.524

dorsal fin

noun 0.524

sperm whale

noun 0.522

swimming bath

noun 0.521

swimming pool

noun 0.520

blubber

noun 0.520

fish

noun 0.519

buoy

noun 0.519

flatfish

noun 0.518

air pump

noun 0.518

batfish

noun 0.516

lungfish

noun 0.515

centre of buoyancy

noun 0.515

floatable

noun 0.514

balloon

noun 0.514

bell buoy

noun 0.513

dead fish

noun 0.511

vesica

noun 0.511

blenny

noun 0.510

hydrostatic skeleton

noun 0.510

air pocket

noun 0.508

ocean sunfish

noun 0.505

pipefish

noun 0.504

finned fish

noun 0.504

aquarium

noun 0.504

water balloon

noun 0.504

bluegill

noun 0.504

zebrafish

noun 0.502

aqualung

noun 0.501

bladderwrack

noun 0.501

bathyscaphe

noun 0.500

finfish

noun 0.500