Declension table of ?viśvāvasumantra

Masculine	Singular	Dual	Plural
Nominative	viśvāvasumantraḥ	viśvāvasumantrau	viśvāvasumantrāḥ
Vocative	viśvāvasumantra	viśvāvasumantrau	viśvāvasumantrāḥ
Accusative	viśvāvasumantram	viśvāvasumantrau	viśvāvasumantrān
Instrumental	viśvāvasumantreṇa	viśvāvasumantrābhyām	viśvāvasumantraiḥ viśvāvasumantrebhiḥ
Dative	viśvāvasumantrāya	viśvāvasumantrābhyām	viśvāvasumantrebhyaḥ
Ablative	viśvāvasumantrāt	viśvāvasumantrābhyām	viśvāvasumantrebhyaḥ
Genitive	viśvāvasumantrasya	viśvāvasumantrayoḥ	viśvāvasumantrāṇām
Locative	viśvāvasumantre	viśvāvasumantrayoḥ	viśvāvasumantreṣu

Compound viśvāvasumantra -

Adverb -viśvāvasumantram -viśvāvasumantrāt