oration

noun 0.633

orf

noun 0.626

pore

noun 0.616

ora

noun 0.611

orb

noun 0.605

foramen

noun 0.598

oriel

noun 0.597

ordo

noun 0.596

oral

noun 0.594

aperture

noun 0.589

ort

noun 0.587

air hole

noun 0.585

stoma

noun 0.578

orison

noun 0.575

ostium

noun 0.575

orbit

noun 0.574

oratory

noun 0.570

ore

noun 0.569

osculum

noun 0.568

orc

noun 0.568

perforation

noun 0.561

orbifold

noun 0.560

origo

noun 0.557

omer

noun 0.552

hole

noun 0.550

oriole

noun 0.549

ord

noun 0.549

outlet

noun 0.549

porthole

noun 0.547

orator

noun 0.547

orbital

noun 0.546

blowhole

noun 0.545

earhole

noun 0.544

nostril

noun 0.541

orchid

noun 0.541

orca

noun 0.540

eyehole

noun 0.539

orogen

noun 0.536

inlet

noun 0.536

orotate

noun 0.535

oral cavity

noun 0.535

fistula

noun 0.534

orient

noun 0.531

origin

noun 0.531

bore

noun 0.531

piriform aperture

noun 0.530

infraorbital foramen

noun 0.529

orbiter

noun 0.529

nozzle

noun 0.528

orchis

noun 0.528

orach

noun 0.527

oracle

noun 0.526

borehole

noun 0.525

oval

noun 0.525

door

noun 0.524

interorbital

noun 0.523

odor

noun 0.523

organ

noun 0.522

doorway

noun 0.521

valve

noun 0.521

orbicularis

noun 0.520

air vent

noun 0.520

mouth

noun 0.519

orgue

noun 0.518

glory hole

noun 0.517

orzo

noun 0.516

office

noun 0.515

oner

noun 0.515

opening

noun 0.515

knothole

noun 0.514

organelle

noun 0.514

orris

noun 0.513

oratorio

noun 0.513

piercing

noun 0.513

gorge

noun 0.512

bung-hole

noun 0.511

armhole

noun 0.510

foramen ovale

noun 0.510

meatus

noun 0.509

orans

noun 0.509

atomic orbital

noun 0.507

transorbital

noun 0.507

porosity

noun 0.507

entrance

noun 0.507

anteroom

noun 0.507

pinhole

noun 0.506

nose

noun 0.506

orda

noun 0.505

pylorus

noun 0.505

white hole

noun 0.503

cervix

noun 0.503

obturator

noun 0.501

fissure

noun 0.501

port

noun 0.501

organ pipe

noun 0.501