Declension table of dvandvasamāsa

Masculine	Singular	Dual	Plural
Nominative	dvandvasamāsaḥ	dvandvasamāsau	dvandvasamāsāḥ
Vocative	dvandvasamāsa	dvandvasamāsau	dvandvasamāsāḥ
Accusative	dvandvasamāsam	dvandvasamāsau	dvandvasamāsān
Instrumental	dvandvasamāsena	dvandvasamāsābhyām	dvandvasamāsaiḥ dvandvasamāsebhiḥ
Dative	dvandvasamāsāya	dvandvasamāsābhyām	dvandvasamāsebhyaḥ
Ablative	dvandvasamāsāt	dvandvasamāsābhyām	dvandvasamāsebhyaḥ
Genitive	dvandvasamāsasya	dvandvasamāsayoḥ	dvandvasamāsānām
Locative	dvandvasamāse	dvandvasamāsayoḥ	dvandvasamāseṣu

Compound dvandvasamāsa -

Adverb -dvandvasamāsam -dvandvasamāsāt