Declension table of ?upajapya

Neuter	Singular	Dual	Plural
Nominative	upajapyam	upajapye	upajapyāni
Vocative	upajapya	upajapye	upajapyāni
Accusative	upajapyam	upajapye	upajapyāni
Instrumental	upajapyena	upajapyābhyām	upajapyaiḥ
Dative	upajapyāya	upajapyābhyām	upajapyebhyaḥ
Ablative	upajapyāt	upajapyābhyām	upajapyebhyaḥ
Genitive	upajapyasya	upajapyayoḥ	upajapyānām
Locative	upajapye	upajapyayoḥ	upajapyeṣu

Compound upajapya -

Adverb -upajapyam -upajapyāt