Declension table of ?kṛṣṇavāsa

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇavāsaḥ	kṛṣṇavāsau	kṛṣṇavāsāḥ
Vocative	kṛṣṇavāsa	kṛṣṇavāsau	kṛṣṇavāsāḥ
Accusative	kṛṣṇavāsam	kṛṣṇavāsau	kṛṣṇavāsān
Instrumental	kṛṣṇavāsena	kṛṣṇavāsābhyām	kṛṣṇavāsaiḥ kṛṣṇavāsebhiḥ
Dative	kṛṣṇavāsāya	kṛṣṇavāsābhyām	kṛṣṇavāsebhyaḥ
Ablative	kṛṣṇavāsāt	kṛṣṇavāsābhyām	kṛṣṇavāsebhyaḥ
Genitive	kṛṣṇavāsasya	kṛṣṇavāsayoḥ	kṛṣṇavāsānām
Locative	kṛṣṇavāse	kṛṣṇavāsayoḥ	kṛṣṇavāseṣu

Compound kṛṣṇavāsa -

Adverb -kṛṣṇavāsam -kṛṣṇavāsāt