The Latin word caput
Word caput
Meaning head
See also Etruscan: cepta ‘chief, commander’

Other words that might be of interest
cutis ‘skin’, sanguis ‘blood’, os ‘bone’, ovum ‘egg’, cornu ‘horn’, cauda ‘tail’, penna ‘feather’, pilus ‘hair’, auris ‘ear’, oculus ‘eye’, nasus ‘nose’, naris ‘nose’, ōs ‘mouth’, dens ‘tooth’, lingua ‘tongue’, unguis ‘fingernail’, pes ‘foot’, crus ‘leg’, genu ‘knee’, mānus ‘hand’, ala ‘wing’, venter ‘belly’, cervix ‘neck’, mamma ‘breast’, cor ‘heart’, iecur ‘liver’, aeger ‘sick’, animus ‘courage, vivacity, bravery, will, spirit, soul’, arma ‘arms, weapons’, barba ‘beard, whiskers’, capillus ‘hair’, collum ‘neck’, coma ‘hair of the head, leaves, rays of light’, comminus ‘hand to hand, in close combat’, corpus ‘body, corpse’, crinis ‘hair’, spuō ‘to spit’, mordeō ‘to bite, to chew’