Declension table of ?yāmātṛka

Masculine	Singular	Dual	Plural
Nominative	yāmātṛkaḥ	yāmātṛkau	yāmātṛkāḥ
Vocative	yāmātṛka	yāmātṛkau	yāmātṛkāḥ
Accusative	yāmātṛkam	yāmātṛkau	yāmātṛkān
Instrumental	yāmātṛkeṇa	yāmātṛkābhyām	yāmātṛkaiḥ yāmātṛkebhiḥ
Dative	yāmātṛkāya	yāmātṛkābhyām	yāmātṛkebhyaḥ
Ablative	yāmātṛkāt	yāmātṛkābhyām	yāmātṛkebhyaḥ
Genitive	yāmātṛkasya	yāmātṛkayoḥ	yāmātṛkāṇām
Locative	yāmātṛke	yāmātṛkayoḥ	yāmātṛkeṣu

Compound yāmātṛka -

Adverb -yāmātṛkam -yāmātṛkāt