forntunga
nafnorðkvenkynforn-tunga
eitthvert þeirra tungumála sem voru töluð í fornöld, fornmál
Fallbeygingar
Eintala
Eintala m. greini
Nf.
forntunga
forntungan
Þf.
forntungu
forntunguna
Þgf.
forntungu
forntungunni
Ef.
forntungu
forntungunnar
Fleirtala
Fleirtala m. greini
Nf.
forntungur
forntungurnar
Þf.
forntungur
forntungurnar
Þgf.
forntungum
forntungunum
Ef.
forntungna
forntungnanna