Declension table of ?niṣkara

Neuter	Singular	Dual	Plural
Nominative	niṣkaram	niṣkare	niṣkarāṇi
Vocative	niṣkara	niṣkare	niṣkarāṇi
Accusative	niṣkaram	niṣkare	niṣkarāṇi
Instrumental	niṣkareṇa	niṣkarābhyām	niṣkaraiḥ
Dative	niṣkarāya	niṣkarābhyām	niṣkarebhyaḥ
Ablative	niṣkarāt	niṣkarābhyām	niṣkarebhyaḥ
Genitive	niṣkarasya	niṣkarayoḥ	niṣkarāṇām
Locative	niṣkare	niṣkarayoḥ	niṣkareṣu

Compound niṣkara -

Adverb -niṣkaram -niṣkarāt