Declension table of ?avakartana

Neuter	Singular	Dual	Plural
Nominative	avakartanam	avakartane	avakartanāni
Vocative	avakartana	avakartane	avakartanāni
Accusative	avakartanam	avakartane	avakartanāni
Instrumental	avakartanena	avakartanābhyām	avakartanaiḥ
Dative	avakartanāya	avakartanābhyām	avakartanebhyaḥ
Ablative	avakartanāt	avakartanābhyām	avakartanebhyaḥ
Genitive	avakartanasya	avakartanayoḥ	avakartanānām
Locative	avakartane	avakartanayoḥ	avakartaneṣu

Compound avakartana -

Adverb -avakartanam -avakartanāt