Declension table of ?apavyavastha

Masculine	Singular	Dual	Plural
Nominative	apavyavasthaḥ	apavyavasthau	apavyavasthāḥ
Vocative	apavyavastha	apavyavasthau	apavyavasthāḥ
Accusative	apavyavastham	apavyavasthau	apavyavasthān
Instrumental	apavyavasthena	apavyavasthābhyām	apavyavasthaiḥ apavyavasthebhiḥ
Dative	apavyavasthāya	apavyavasthābhyām	apavyavasthebhyaḥ
Ablative	apavyavasthāt	apavyavasthābhyām	apavyavasthebhyaḥ
Genitive	apavyavasthasya	apavyavasthayoḥ	apavyavasthānām
Locative	apavyavasthe	apavyavasthayoḥ	apavyavastheṣu

Compound apavyavastha -

Adverb -apavyavastham -apavyavasthāt