Declension table of ?pramāṇāntara

Neuter	Singular	Dual	Plural
Nominative	pramāṇāntaram	pramāṇāntare	pramāṇāntarāṇi
Vocative	pramāṇāntara	pramāṇāntare	pramāṇāntarāṇi
Accusative	pramāṇāntaram	pramāṇāntare	pramāṇāntarāṇi
Instrumental	pramāṇāntareṇa	pramāṇāntarābhyām	pramāṇāntaraiḥ
Dative	pramāṇāntarāya	pramāṇāntarābhyām	pramāṇāntarebhyaḥ
Ablative	pramāṇāntarāt	pramāṇāntarābhyām	pramāṇāntarebhyaḥ
Genitive	pramāṇāntarasya	pramāṇāntarayoḥ	pramāṇāntarāṇām
Locative	pramāṇāntare	pramāṇāntarayoḥ	pramāṇāntareṣu

Compound pramāṇāntara -

Adverb -pramāṇāntaram -pramāṇāntarāt