Declension table of ?tvakatpitṛka

Neuter	Singular	Dual	Plural
Nominative	tvakatpitṛkam	tvakatpitṛke	tvakatpitṛkāṇi
Vocative	tvakatpitṛka	tvakatpitṛke	tvakatpitṛkāṇi
Accusative	tvakatpitṛkam	tvakatpitṛke	tvakatpitṛkāṇi
Instrumental	tvakatpitṛkeṇa	tvakatpitṛkābhyām	tvakatpitṛkaiḥ
Dative	tvakatpitṛkāya	tvakatpitṛkābhyām	tvakatpitṛkebhyaḥ
Ablative	tvakatpitṛkāt	tvakatpitṛkābhyām	tvakatpitṛkebhyaḥ
Genitive	tvakatpitṛkasya	tvakatpitṛkayoḥ	tvakatpitṛkāṇām
Locative	tvakatpitṛke	tvakatpitṛkayoḥ	tvakatpitṛkeṣu

Compound tvakatpitṛka -

Adverb -tvakatpitṛkam -tvakatpitṛkāt