Declension table of ?priyatva

Neuter	Singular	Dual	Plural
Nominative	priyatvam	priyatve	priyatvāni
Vocative	priyatva	priyatve	priyatvāni
Accusative	priyatvam	priyatve	priyatvāni
Instrumental	priyatvena	priyatvābhyām	priyatvaiḥ
Dative	priyatvāya	priyatvābhyām	priyatvebhyaḥ
Ablative	priyatvāt	priyatvābhyām	priyatvebhyaḥ
Genitive	priyatvasya	priyatvayoḥ	priyatvānām
Locative	priyatve	priyatvayoḥ	priyatveṣu

Compound priyatva -

Adverb -priyatvam -priyatvāt