trephination

noun 0.884

trepan

noun 0.884

craniotomy

noun 0.650

craniectomy

noun 0.639

brain surgery

noun 0.610

perforation

noun 0.603

tracheotomy

noun 0.586

psychosurgery

noun 0.583

puncture

noun 0.578

osteotomy

noun 0.572

lobotomy

noun 0.572

hemicraniectomy

noun 0.569

sphenoidotomy

noun 0.569

tracheostomy

noun 0.567

tympanocentesis

noun 0.555

craniology

noun 0.554

paracentesis

noun 0.548

foraminotomy

noun 0.546

puncturing

noun 0.544

myringotomy

noun 0.541

treponema

noun 0.540

keratotomy

noun 0.540

tractotomy

noun 0.537

ventriculostomy

noun 0.535

drilling

noun 0.535

trenching

noun 0.534

neurosurgery

noun 0.534

body piercing

noun 0.533

piercing

noun 0.531

transection

noun 0.529

trocar

noun 0.526

orbitotomy

noun 0.522

centesis

noun 0.521

calvaria

noun 0.520

incision

noun 0.518

cranium

noun 0.516

brainpan

noun 0.515

retinotomy

noun 0.513

lumbar puncture

noun 0.511

neurotomy

noun 0.510

laparotomy

noun 0.510

stereotomy

noun 0.508

tympanoplasty

noun 0.507

osteotome

noun 0.506

thoracotomy

noun 0.506

excavation

noun 0.505

spinal tap

noun 0.505

microfracturing

noun 0.504

labyrinthectomy

noun 0.504

rhinotomy

noun 0.501