Declension table of ?pitṛkṛtya

Neuter	Singular	Dual	Plural
Nominative	pitṛkṛtyam	pitṛkṛtye	pitṛkṛtyāni
Vocative	pitṛkṛtya	pitṛkṛtye	pitṛkṛtyāni
Accusative	pitṛkṛtyam	pitṛkṛtye	pitṛkṛtyāni
Instrumental	pitṛkṛtyena	pitṛkṛtyābhyām	pitṛkṛtyaiḥ
Dative	pitṛkṛtyāya	pitṛkṛtyābhyām	pitṛkṛtyebhyaḥ
Ablative	pitṛkṛtyāt	pitṛkṛtyābhyām	pitṛkṛtyebhyaḥ
Genitive	pitṛkṛtyasya	pitṛkṛtyayoḥ	pitṛkṛtyānām
Locative	pitṛkṛtye	pitṛkṛtyayoḥ	pitṛkṛtyeṣu

Compound pitṛkṛtya -

Adverb -pitṛkṛtyam -pitṛkṛtyāt