Declension table of ?nityavatsa

Neuter	Singular	Dual	Plural
Nominative	nityavatsam	nityavatse	nityavatsāni
Vocative	nityavatsa	nityavatse	nityavatsāni
Accusative	nityavatsam	nityavatse	nityavatsāni
Instrumental	nityavatsena	nityavatsābhyām	nityavatsaiḥ
Dative	nityavatsāya	nityavatsābhyām	nityavatsebhyaḥ
Ablative	nityavatsāt	nityavatsābhyām	nityavatsebhyaḥ
Genitive	nityavatsasya	nityavatsayoḥ	nityavatsānām
Locative	nityavatse	nityavatsayoḥ	nityavatseṣu

Compound nityavatsa -

Adverb -nityavatsam -nityavatsāt