headache

noun 0.766

cluster headache

noun 0.631

hemicrania

noun 0.630

migraine

noun 0.622

cephalometry

noun 0.601

clusterhead

noun 0.600

cephalocele

noun 0.600

hydrocephaly

noun 0.594

hydrocephalus

noun 0.588

macrocephaly

noun 0.588

cephalopod

noun 0.586

cephalothorax

noun 0.578

hydrocephalic

noun 0.565

neuralgia

noun 0.558

calvaria

noun 0.547

cranium

noun 0.541

odontalgia

noun 0.541

headiness

noun 0.540

cephalosporin

noun 0.539

cephalon

noun 0.539

craniology

noun 0.535

arthralgia

noun 0.533

headedness

noun 0.531

macrocephalus

noun 0.529

plagiocephaly

noun 0.528

encephalitis

noun 0.523

myalgia

noun 0.517

dolichocephalic

noun 0.512

encephalon

noun 0.509

cranial nerve

noun 0.508

microcephaly

noun 0.507

bighead

noun 0.507

heartache

noun 0.506

cerebral hemorrhage

noun 0.505

brain fever

noun 0.505

cerebral edema

noun 0.503

epicondylalgia

noun 0.502

galea

noun 0.502

pubalgia

noun 0.501