Declension table of ?nityavatsa

Masculine	Singular	Dual	Plural
Nominative	nityavatsaḥ	nityavatsau	nityavatsāḥ
Vocative	nityavatsa	nityavatsau	nityavatsāḥ
Accusative	nityavatsam	nityavatsau	nityavatsān
Instrumental	nityavatsena	nityavatsābhyām	nityavatsaiḥ nityavatsebhiḥ
Dative	nityavatsāya	nityavatsābhyām	nityavatsebhyaḥ
Ablative	nityavatsāt	nityavatsābhyām	nityavatsebhyaḥ
Genitive	nityavatsasya	nityavatsayoḥ	nityavatsānām
Locative	nityavatse	nityavatsayoḥ	nityavatseṣu

Compound nityavatsa -

Adverb -nityavatsam -nityavatsāt