trochophore

noun 0.676

helicoid

noun 0.604

spiral

noun 0.597

trochlear

noun 0.583

trochlea

noun 0.572

teleoconch

noun 0.571

cycloid

noun 0.554

tricolpate

noun 0.551

polytrope

noun 0.548

helicate

noun 0.547

spheroidal

noun 0.544

spirillum

noun 0.543

spherulite

noun 0.542

hypocycloid

noun 0.540

spiralling

noun 0.536

spirochete

noun 0.534

spherule

noun 0.527

spiro

noun 0.526

prosobranch

noun 0.526

perispore

noun 0.525

epicycloid

noun 0.521

conchoid

noun 0.517

logarithmic spiral

noun 0.516

whorl

noun 0.514

serpulid

noun 0.514

cylindroid

noun 0.512

gastropod

noun 0.510

tropia

noun 0.507

torus

noun 0.507

cheilostome

noun 0.506

zoospore

noun 0.506

spheroid

noun 0.503

zoetrope

noun 0.502

twirl

noun 0.501