ctenidium

noun 0.782

ctenophore

noun 0.754

cycloid

noun 0.576

cyclopoid

noun 0.558

cyclostome

noun 0.558

ciliate

noun 0.543

cnidarian

noun 0.534

crenulation

noun 0.524

acanthodian

noun 0.523

cordate

noun 0.519

cephalopod

noun 0.516

denticle

noun 0.515

denticulate

noun 0.513

coelenterate

noun 0.513

crenate

noun 0.508

crinoid

noun 0.504

echinoid

noun 0.503

cysticercus

noun 0.502