Declension table of ?sannivartana

Neuter	Singular	Dual	Plural
Nominative	sannivartanam	sannivartane	sannivartanāni
Vocative	sannivartana	sannivartane	sannivartanāni
Accusative	sannivartanam	sannivartane	sannivartanāni
Instrumental	sannivartanena	sannivartanābhyām	sannivartanaiḥ
Dative	sannivartanāya	sannivartanābhyām	sannivartanebhyaḥ
Ablative	sannivartanāt	sannivartanābhyām	sannivartanebhyaḥ
Genitive	sannivartanasya	sannivartanayoḥ	sannivartanānām
Locative	sannivartane	sannivartanayoḥ	sannivartaneṣu

Compound sannivartana -

Adverb -sannivartanam -sannivartanāt