Declension table of ?apaśastra

Masculine	Singular	Dual	Plural
Nominative	apaśastraḥ	apaśastrau	apaśastrāḥ
Vocative	apaśastra	apaśastrau	apaśastrāḥ
Accusative	apaśastram	apaśastrau	apaśastrān
Instrumental	apaśastreṇa	apaśastrābhyām	apaśastraiḥ apaśastrebhiḥ
Dative	apaśastrāya	apaśastrābhyām	apaśastrebhyaḥ
Ablative	apaśastrāt	apaśastrābhyām	apaśastrebhyaḥ
Genitive	apaśastrasya	apaśastrayoḥ	apaśastrāṇām
Locative	apaśastre	apaśastrayoḥ	apaśastreṣu

Compound apaśastra -

Adverb -apaśastram -apaśastrāt