Declension table of ?avadhvaṃsa

Masculine	Singular	Dual	Plural
Nominative	avadhvaṃsaḥ	avadhvaṃsau	avadhvaṃsāḥ
Vocative	avadhvaṃsa	avadhvaṃsau	avadhvaṃsāḥ
Accusative	avadhvaṃsam	avadhvaṃsau	avadhvaṃsān
Instrumental	avadhvaṃsena	avadhvaṃsābhyām	avadhvaṃsaiḥ avadhvaṃsebhiḥ
Dative	avadhvaṃsāya	avadhvaṃsābhyām	avadhvaṃsebhyaḥ
Ablative	avadhvaṃsāt	avadhvaṃsābhyām	avadhvaṃsebhyaḥ
Genitive	avadhvaṃsasya	avadhvaṃsayoḥ	avadhvaṃsānām
Locative	avadhvaṃse	avadhvaṃsayoḥ	avadhvaṃseṣu

Compound avadhvaṃsa -

Adverb -avadhvaṃsam -avadhvaṃsāt