Declension table of ?sapitṛka

Masculine	Singular	Dual	Plural
Nominative	sapitṛkaḥ	sapitṛkau	sapitṛkāḥ
Vocative	sapitṛka	sapitṛkau	sapitṛkāḥ
Accusative	sapitṛkam	sapitṛkau	sapitṛkān
Instrumental	sapitṛkeṇa	sapitṛkābhyām	sapitṛkaiḥ sapitṛkebhiḥ
Dative	sapitṛkāya	sapitṛkābhyām	sapitṛkebhyaḥ
Ablative	sapitṛkāt	sapitṛkābhyām	sapitṛkebhyaḥ
Genitive	sapitṛkasya	sapitṛkayoḥ	sapitṛkāṇām
Locative	sapitṛke	sapitṛkayoḥ	sapitṛkeṣu

Compound sapitṛka -

Adverb -sapitṛkam -sapitṛkāt