Declension table of ?pitṛbhojana

Neuter	Singular	Dual	Plural
Nominative	pitṛbhojanam	pitṛbhojane	pitṛbhojanāni
Vocative	pitṛbhojana	pitṛbhojane	pitṛbhojanāni
Accusative	pitṛbhojanam	pitṛbhojane	pitṛbhojanāni
Instrumental	pitṛbhojanena	pitṛbhojanābhyām	pitṛbhojanaiḥ
Dative	pitṛbhojanāya	pitṛbhojanābhyām	pitṛbhojanebhyaḥ
Ablative	pitṛbhojanāt	pitṛbhojanābhyām	pitṛbhojanebhyaḥ
Genitive	pitṛbhojanasya	pitṛbhojanayoḥ	pitṛbhojanānām
Locative	pitṛbhojane	pitṛbhojanayoḥ	pitṛbhojaneṣu

Compound pitṛbhojana -

Adverb -pitṛbhojanam -pitṛbhojanāt