Declension table of ?priyavastu

Neuter	Singular	Dual	Plural
Nominative	priyavastu	priyavastunī	priyavastūni
Vocative	priyavastu	priyavastunī	priyavastūni
Accusative	priyavastu	priyavastunī	priyavastūni
Instrumental	priyavastunā	priyavastubhyām	priyavastubhiḥ
Dative	priyavastune	priyavastubhyām	priyavastubhyaḥ
Ablative	priyavastunaḥ	priyavastubhyām	priyavastubhyaḥ
Genitive	priyavastunaḥ	priyavastunoḥ	priyavastūnām
Locative	priyavastuni	priyavastunoḥ	priyavastuṣu

Compound priyavastu -

Adverb -priyavastu