Declension table of ?sannivāsa

Masculine	Singular	Dual	Plural
Nominative	sannivāsaḥ	sannivāsau	sannivāsāḥ
Vocative	sannivāsa	sannivāsau	sannivāsāḥ
Accusative	sannivāsam	sannivāsau	sannivāsān
Instrumental	sannivāsena	sannivāsābhyām	sannivāsaiḥ sannivāsebhiḥ
Dative	sannivāsāya	sannivāsābhyām	sannivāsebhyaḥ
Ablative	sannivāsāt	sannivāsābhyām	sannivāsebhyaḥ
Genitive	sannivāsasya	sannivāsayoḥ	sannivāsānām
Locative	sannivāse	sannivāsayoḥ	sannivāseṣu

Compound sannivāsa -

Adverb -sannivāsam -sannivāsāt