hypostome

noun 0.628

peridium

noun 0.613

periostracum

noun 0.608

endostome

noun 0.605

stoma

noun 0.592

pereonite

noun 0.577

parapodium

noun 0.574

pterostigma

noun 0.552

peritomy

noun 0.551

periderm

noun 0.549

peristyle

noun 0.549

protostome

noun 0.544

perispore

noun 0.541

ostium

noun 0.540

perianth

noun 0.538

cheilostome

noun 0.537

periplasm

noun 0.534

opisthosoma

noun 0.525

cyclostome

noun 0.523

phragmocone

noun 0.522

enterostomy

noun 0.518

prostheca

noun 0.518

prosoma

noun 0.516

rostellum

noun 0.512

tracheostoma

noun 0.509

clitellum

noun 0.509

protomer

noun 0.507

metasternum

noun 0.507

postpetiole

noun 0.506

appressorium

noun 0.505

stomatopod

noun 0.505

preoperculum

noun 0.505

gynostemium

noun 0.505

peristalsis

noun 0.505

perimysium

noun 0.503