The Old Norse word tunga
Word tunga
t u n g a
Meaning tongue
See also Proto-Indo-European: *dn̥ĝhuhₐ- ‘tongue’

Other words that might be of interest
and ‘spirit, soul’, bein ‘bone, legs’, armr ‘arm’, magi ‘belly, stomach’, blóð ‘blood’, andlauss ‘breathless, lifeless’, eyra ‘ear’, egg ‘egg’, auga ‘eye’, fjøðr ‘feather’, hold ‘flesh’, fótr ‘foot’, hár ‘hair’, hønd ‘hand’, høfuð ‘head’, hjarta ‘heart’, horn ‘horn’, kné ‘knee’, lifr ‘liver’, kjøt ‘meat, flesh’, munni ‘mouth, opening’, hals ‘neck’, nøs ‘nostril, nose’, skinn ‘skin, fur’, hali ‘tail’, bita ‘to cut into bits, to bite’, deyða ‘to kill’, sofa ‘to sleep’, tønn ‘tooth’, spor ‘track, footprint’, vømb ‘womb’