Declension table of ?viśvavāsa

Masculine	Singular	Dual	Plural
Nominative	viśvavāsaḥ	viśvavāsau	viśvavāsāḥ
Vocative	viśvavāsa	viśvavāsau	viśvavāsāḥ
Accusative	viśvavāsam	viśvavāsau	viśvavāsān
Instrumental	viśvavāsena	viśvavāsābhyām	viśvavāsaiḥ viśvavāsebhiḥ
Dative	viśvavāsāya	viśvavāsābhyām	viśvavāsebhyaḥ
Ablative	viśvavāsāt	viśvavāsābhyām	viśvavāsebhyaḥ
Genitive	viśvavāsasya	viśvavāsayoḥ	viśvavāsānām
Locative	viśvavāse	viśvavāsayoḥ	viśvavāseṣu

Compound viśvavāsa -

Adverb -viśvavāsam -viśvavāsāt