Declension table of nityavastu

Neuter	Singular	Dual	Plural
Nominative	nityavastu	nityavastunī	nityavastūni
Vocative	nityavastu	nityavastunī	nityavastūni
Accusative	nityavastu	nityavastunī	nityavastūni
Instrumental	nityavastunā	nityavastubhyām	nityavastubhiḥ
Dative	nityavastune	nityavastubhyām	nityavastubhyaḥ
Ablative	nityavastunaḥ	nityavastubhyām	nityavastubhyaḥ
Genitive	nityavastunaḥ	nityavastunoḥ	nityavastūnām
Locative	nityavastuni	nityavastunoḥ	nityavastuṣu

Compound nityavastu -

Adverb -nityavastu