Declension table of ?vivartman

Neuter	Singular	Dual	Plural
Nominative	vivartma	vivartmanī	vivartmāni
Vocative	vivartman vivartma	vivartmanī	vivartmāni
Accusative	vivartma	vivartmanī	vivartmāni
Instrumental	vivartmanā	vivartmabhyām	vivartmabhiḥ
Dative	vivartmane	vivartmabhyām	vivartmabhyaḥ
Ablative	vivartmanaḥ	vivartmabhyām	vivartmabhyaḥ
Genitive	vivartmanaḥ	vivartmanoḥ	vivartmanām
Locative	vivartmani	vivartmanoḥ	vivartmasu

Compound vivartma -

Adverb -vivartma -vivartmam