Declension table of akartṛ

Neuter	Singular	Dual	Plural
Nominative	akartṛ	akartṛṇī	akartṝṇi
Vocative	akartṛ	akartṛṇī	akartṝṇi
Accusative	akartṛ	akartṛṇī	akartṝṇi
Instrumental	akartṛṇā	akartṛbhyām	akartṛbhiḥ
Dative	akartṛṇe	akartṛbhyām	akartṛbhyaḥ
Ablative	akartṛṇaḥ	akartṛbhyām	akartṛbhyaḥ
Genitive	akartṛṇaḥ	akartṛṇoḥ	akartṝṇām
Locative	akartṛṇi	akartṛṇoḥ	akartṛṣu

Compound akartṛ -

Adverb -akartṛ