Declension table of ?upendhya

Neuter	Singular	Dual	Plural
Nominative	upendhyam	upendhye	upendhyāni
Vocative	upendhya	upendhye	upendhyāni
Accusative	upendhyam	upendhye	upendhyāni
Instrumental	upendhyena	upendhyābhyām	upendhyaiḥ
Dative	upendhyāya	upendhyābhyām	upendhyebhyaḥ
Ablative	upendhyāt	upendhyābhyām	upendhyebhyaḥ
Genitive	upendhyasya	upendhyayoḥ	upendhyānām
Locative	upendhye	upendhyayoḥ	upendhyeṣu

Compound upendhya -

Adverb -upendhyam -upendhyāt