Declension table of ?upāyāntara

Neuter	Singular	Dual	Plural
Nominative	upāyāntaram	upāyāntare	upāyāntarāṇi
Vocative	upāyāntara	upāyāntare	upāyāntarāṇi
Accusative	upāyāntaram	upāyāntare	upāyāntarāṇi
Instrumental	upāyāntareṇa	upāyāntarābhyām	upāyāntaraiḥ
Dative	upāyāntarāya	upāyāntarābhyām	upāyāntarebhyaḥ
Ablative	upāyāntarāt	upāyāntarābhyām	upāyāntarebhyaḥ
Genitive	upāyāntarasya	upāyāntarayoḥ	upāyāntarāṇām
Locative	upāyāntare	upāyāntarayoḥ	upāyāntareṣu

Compound upāyāntara -

Adverb -upāyāntaram -upāyāntarāt