Declension table of ?viśira

Neuter	Singular	Dual	Plural
Nominative	viśiram	viśire	viśirāṇi
Vocative	viśira	viśire	viśirāṇi
Accusative	viśiram	viśire	viśirāṇi
Instrumental	viśireṇa	viśirābhyām	viśiraiḥ
Dative	viśirāya	viśirābhyām	viśirebhyaḥ
Ablative	viśirāt	viśirābhyām	viśirebhyaḥ
Genitive	viśirasya	viśirayoḥ	viśirāṇām
Locative	viśire	viśirayoḥ	viśireṣu

Compound viśira -

Adverb -viśiram -viśirāt