Declension table of ?pīṭhanirṇaya

Masculine	Singular	Dual	Plural
Nominative	pīṭhanirṇayaḥ	pīṭhanirṇayau	pīṭhanirṇayāḥ
Vocative	pīṭhanirṇaya	pīṭhanirṇayau	pīṭhanirṇayāḥ
Accusative	pīṭhanirṇayam	pīṭhanirṇayau	pīṭhanirṇayān
Instrumental	pīṭhanirṇayena	pīṭhanirṇayābhyām	pīṭhanirṇayaiḥ pīṭhanirṇayebhiḥ
Dative	pīṭhanirṇayāya	pīṭhanirṇayābhyām	pīṭhanirṇayebhyaḥ
Ablative	pīṭhanirṇayāt	pīṭhanirṇayābhyām	pīṭhanirṇayebhyaḥ
Genitive	pīṭhanirṇayasya	pīṭhanirṇayayoḥ	pīṭhanirṇayānām
Locative	pīṭhanirṇaye	pīṭhanirṇayayoḥ	pīṭhanirṇayeṣu

Compound pīṭhanirṇaya -

Adverb -pīṭhanirṇayam -pīṭhanirṇayāt