Declension table of ?sannivapana

Neuter	Singular	Dual	Plural
Nominative	sannivapanam	sannivapane	sannivapanāni
Vocative	sannivapana	sannivapane	sannivapanāni
Accusative	sannivapanam	sannivapane	sannivapanāni
Instrumental	sannivapanena	sannivapanābhyām	sannivapanaiḥ
Dative	sannivapanāya	sannivapanābhyām	sannivapanebhyaḥ
Ablative	sannivapanāt	sannivapanābhyām	sannivapanebhyaḥ
Genitive	sannivapanasya	sannivapanayoḥ	sannivapanānām
Locative	sannivapane	sannivapanayoḥ	sannivapaneṣu

Compound sannivapana -

Adverb -sannivapanam -sannivapanāt