Declension table of ?uttaratara

Neuter	Singular	Dual	Plural
Nominative	uttarataram	uttaratare	uttaratarāṇi
Vocative	uttaratara	uttaratare	uttaratarāṇi
Accusative	uttarataram	uttaratare	uttaratarāṇi
Instrumental	uttaratareṇa	uttaratarābhyām	uttarataraiḥ
Dative	uttaratarāya	uttaratarābhyām	uttaratarebhyaḥ
Ablative	uttaratarāt	uttaratarābhyām	uttaratarebhyaḥ
Genitive	uttaratarasya	uttaratarayoḥ	uttaratarāṇām
Locative	uttaratare	uttaratarayoḥ	uttaratareṣu

Compound uttaratara -

Adverb -uttarataram -uttaratarāt