Declension table of ?ativakra

Neuter	Singular	Dual	Plural
Nominative	ativakram	ativakre	ativakrāṇi
Vocative	ativakra	ativakre	ativakrāṇi
Accusative	ativakram	ativakre	ativakrāṇi
Instrumental	ativakreṇa	ativakrābhyām	ativakraiḥ
Dative	ativakrāya	ativakrābhyām	ativakrebhyaḥ
Ablative	ativakrāt	ativakrābhyām	ativakrebhyaḥ
Genitive	ativakrasya	ativakrayoḥ	ativakrāṇām
Locative	ativakre	ativakrayoḥ	ativakreṣu

Compound ativakra -

Adverb -ativakram -ativakrāt