Declension table of ?upahadana

Neuter	Singular	Dual	Plural
Nominative	upahadanam	upahadane	upahadanāni
Vocative	upahadana	upahadane	upahadanāni
Accusative	upahadanam	upahadane	upahadanāni
Instrumental	upahadanena	upahadanābhyām	upahadanaiḥ
Dative	upahadanāya	upahadanābhyām	upahadanebhyaḥ
Ablative	upahadanāt	upahadanābhyām	upahadanebhyaḥ
Genitive	upahadanasya	upahadanayoḥ	upahadanānām
Locative	upahadane	upahadanayoḥ	upahadaneṣu

Compound upahadana -

Adverb -upahadanam -upahadanāt