Declension table of ?apattra

Masculine	Singular	Dual	Plural
Nominative	apattraḥ	apattrau	apattrāḥ
Vocative	apattra	apattrau	apattrāḥ
Accusative	apattram	apattrau	apattrān
Instrumental	apattreṇa	apattrābhyām	apattraiḥ apattrebhiḥ
Dative	apattrāya	apattrābhyām	apattrebhyaḥ
Ablative	apattrāt	apattrābhyām	apattrebhyaḥ
Genitive	apattrasya	apattrayoḥ	apattrāṇām
Locative	apattre	apattrayoḥ	apattreṣu

Compound apattra -

Adverb -apattram -apattrāt