Declension table of ?samuttara

Neuter	Singular	Dual	Plural
Nominative	samuttaram	samuttare	samuttarāṇi
Vocative	samuttara	samuttare	samuttarāṇi
Accusative	samuttaram	samuttare	samuttarāṇi
Instrumental	samuttareṇa	samuttarābhyām	samuttaraiḥ
Dative	samuttarāya	samuttarābhyām	samuttarebhyaḥ
Ablative	samuttarāt	samuttarābhyām	samuttarebhyaḥ
Genitive	samuttarasya	samuttarayoḥ	samuttarāṇām
Locative	samuttare	samuttarayoḥ	samuttareṣu

Compound samuttara -

Adverb -samuttaram -samuttarāt