Declension table of ?upaśīvan

Neuter	Singular	Dual	Plural
Nominative	upaśīva	upaśīvnī upaśīvanī	upaśīvāni
Vocative	upaśīvan upaśīva	upaśīvnī upaśīvanī	upaśīvāni
Accusative	upaśīva	upaśīvnī upaśīvanī	upaśīvāni
Instrumental	upaśīvnā	upaśīvabhyām	upaśīvabhiḥ
Dative	upaśīvne	upaśīvabhyām	upaśīvabhyaḥ
Ablative	upaśīvnaḥ	upaśīvabhyām	upaśīvabhyaḥ
Genitive	upaśīvnaḥ	upaśīvnoḥ	upaśīvnām
Locative	upaśīvni upaśīvani	upaśīvnoḥ	upaśīvasu

Compound upaśīva -

Adverb -upaśīva -upaśīvam