The Latin word unguis
Word unguis
Meaning fingernail

Other words that might be of interest
cutis ‘skin’, sanguis ‘blood’, os ‘bone’, ovum ‘egg’, cornu ‘horn’, cauda ‘tail’, penna ‘feather’, pilus ‘hair’, caput ‘head’, auris ‘ear’, oculus ‘eye’, nasus ‘nose’, naris ‘nose’, ōs ‘mouth’, dens ‘tooth’, lingua ‘tongue’, 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’