Declension table of ?sannivāsa

Neuter	Singular	Dual	Plural
Nominative	sannivāsam	sannivāse	sannivāsāni
Vocative	sannivāsa	sannivāse	sannivāsāni
Accusative	sannivāsam	sannivāse	sannivāsāni
Instrumental	sannivāsena	sannivāsābhyām	sannivāsaiḥ
Dative	sannivāsāya	sannivāsābhyām	sannivāsebhyaḥ
Ablative	sannivāsāt	sannivāsābhyām	sannivāsebhyaḥ
Genitive	sannivāsasya	sannivāsayoḥ	sannivāsānām
Locative	sannivāse	sannivāsayoḥ	sannivāseṣu

Compound sannivāsa -

Adverb -sannivāsam -sannivāsāt