Declension table of ?sapatnaja

Neuter	Singular	Dual	Plural
Nominative	sapatnajam	sapatnaje	sapatnajāni
Vocative	sapatnaja	sapatnaje	sapatnajāni
Accusative	sapatnajam	sapatnaje	sapatnajāni
Instrumental	sapatnajena	sapatnajābhyām	sapatnajaiḥ
Dative	sapatnajāya	sapatnajābhyām	sapatnajebhyaḥ
Ablative	sapatnajāt	sapatnajābhyām	sapatnajebhyaḥ
Genitive	sapatnajasya	sapatnajayoḥ	sapatnajānām
Locative	sapatnaje	sapatnajayoḥ	sapatnajeṣu

Compound sapatnaja -

Adverb -sapatnajam -sapatnajāt