Declension table of ?vivyādhin

Neuter	Singular	Dual	Plural
Nominative	vivyādhi	vivyādhinī	vivyādhīni
Vocative	vivyādhin vivyādhi	vivyādhinī	vivyādhīni
Accusative	vivyādhi	vivyādhinī	vivyādhīni
Instrumental	vivyādhinā	vivyādhibhyām	vivyādhibhiḥ
Dative	vivyādhine	vivyādhibhyām	vivyādhibhyaḥ
Ablative	vivyādhinaḥ	vivyādhibhyām	vivyādhibhyaḥ
Genitive	vivyādhinaḥ	vivyādhinoḥ	vivyādhinām
Locative	vivyādhini	vivyādhinoḥ	vivyādhiṣu

Compound vivyādhi -

Adverb -vivyādhi