tracheostoma

noun 0.699

ostium

noun 0.665

enterostomy

noun 0.652

colostomy

noun 0.649

stomatitis

noun 0.639

stroma

noun 0.618

urostomy

noun 0.608

peristomium

noun 0.592

osculum

noun 0.590

stomach

noun 0.583

osteoma

noun 0.580

tracheostomy

noun 0.578

orifice

noun 0.578

stot

noun 0.574

endostome

noun 0.574

stent

noun 0.572

stomatopod

noun 0.569

hypostome

noun 0.567

stomatocytosis

noun 0.566

stomatology

noun 0.564

mouth

noun 0.564

stolon

noun 0.563

stob

noun 0.558

air hole

noun 0.554

pore

noun 0.553

stem

noun 0.547

staphyloma

noun 0.545

foramen

noun 0.545

stamnos

noun 0.543

stoa

noun 0.542

blastopore

noun 0.540

ureterostomy

noun 0.539

cyclostome

noun 0.539

anastomosis

noun 0.538

meristem

noun 0.537

stele

noun 0.534

urethrostomy

noun 0.534

gastrostomy

noun 0.533

jejunostomy

noun 0.533

fistula

noun 0.532

stigmatic

noun 0.532

stank

noun 0.531

stipule

noun 0.531

anteroom

noun 0.531

stethoscope

noun 0.530

stope

noun 0.529

oral cavity

noun 0.529

stamen

noun 0.529

stomp

noun 0.529

aperture

noun 0.529

stomacher

noun 0.527

stromatolite

noun 0.526

coloboma

noun 0.526

rostellum

noun 0.526

nostril

noun 0.526

stola

noun 0.525

tracheotomy

noun 0.522

foramen ovale

noun 0.521

protostome

noun 0.521

staph

noun 0.518

stenosis

noun 0.518

oral stage

noun 0.515

plastid

noun 0.515

stigma

noun 0.514

gastroenterostomy

noun 0.513

isthmus

noun 0.512

haustorium

noun 0.512

porthole

noun 0.512

opusculum

noun 0.511

pterostigma

noun 0.510

operculum

noun 0.510

hole

noun 0.509

stench

noun 0.509

cheilostome

noun 0.508

stela

noun 0.507

ventriculostomy

noun 0.507

stapes

noun 0.506

knothole

noun 0.505

perforation

noun 0.505

strophe

noun 0.504

sporangium

noun 0.504

air vent

noun 0.503

manhole

noun 0.503

antrum

noun 0.503

strobila

noun 0.502

meatus

noun 0.501

atheroma

noun 0.501

stump

noun 0.501

lumen

noun 0.500