clusterhead

noun 0.741

headache

noun 0.669

hemicrania

noun 0.642

cephalalgia

noun 0.631

migraine

noun 0.607

tic douloureux

noun 0.532

migraineur

noun 0.526

cholinergic urticaria

noun 0.516

triptan

noun 0.515

ergotamine

noun 0.509

greater occipital nerve

noun 0.507

thunderclap

noun 0.506