Declension table of ?nityastha

Neuter	Singular	Dual	Plural
Nominative	nityastham	nityasthe	nityasthāni
Vocative	nityastha	nityasthe	nityasthāni
Accusative	nityastham	nityasthe	nityasthāni
Instrumental	nityasthena	nityasthābhyām	nityasthaiḥ
Dative	nityasthāya	nityasthābhyām	nityasthebhyaḥ
Ablative	nityasthāt	nityasthābhyām	nityasthebhyaḥ
Genitive	nityasthasya	nityasthayoḥ	nityasthānām
Locative	nityasthe	nityasthayoḥ	nityastheṣu

Compound nityastha -

Adverb -nityastham -nityasthāt