bulla

noun 0.650

saccule

noun 0.603

ampoule

noun 0.601

bulblet

noun 0.596

vesica

noun 0.594

papilla

noun 0.584

vesicle

noun 0.577

tubule

noun 0.563

infundibulum

noun 0.562

cupule

noun 0.559

tub

noun 0.556

bombilla

noun 0.552

amphora

noun 0.550

uvula

noun 0.544

bubbler

noun 0.543

goblet

noun 0.541

bell buoy

noun 0.537

bulb

noun 0.537

bladder

noun 0.536

vial

noun 0.535

bubble

noun 0.534

billow

noun 0.533

hamulus

noun 0.532

valva

noun 0.531

bolus

noun 0.531

bleb

noun 0.527

bowl

noun 0.526

blastula

noun 0.526

bub

noun 0.526

pouch

noun 0.525

bursa

noun 0.523

valvula

noun 0.523

tubful

noun 0.523

tumbler

noun 0.521

volva

noun 0.521

umbo

noun 0.520

bubo

noun 0.518

bulbul

noun 0.518

ocular

noun 0.515

villus

noun 0.515

tube

noun 0.514

bobble

noun 0.514

burette

noun 0.514

vestibular

noun 0.513

round-bottomed flask

noun 0.512

flask

noun 0.512

opusculum

noun 0.511

bellow

noun 0.511

cup

noun 0.510

ump

noun 0.509

buoy

noun 0.507

bocal

noun 0.507

bellows

noun 0.506

vestibule

noun 0.506

boll

noun 0.506

capsule

noun 0.506

vase

noun 0.506

vasculum

noun 0.505

pupa

noun 0.505

cupola

noun 0.504

ovular

noun 0.504

bucketful

noun 0.504

pottle

noun 0.503

vacuole

noun 0.503

palla

noun 0.502

buhl

noun 0.501

alabastron

noun 0.501

follicle

noun 0.501

cupel

noun 0.501

bawl

noun 0.501