Declension table of ?piyāka

Masculine	Singular	Dual	Plural
Nominative	piyākaḥ	piyākau	piyākāḥ
Vocative	piyāka	piyākau	piyākāḥ
Accusative	piyākam	piyākau	piyākān
Instrumental	piyākena	piyākābhyām	piyākaiḥ piyākebhiḥ
Dative	piyākāya	piyākābhyām	piyākebhyaḥ
Ablative	piyākāt	piyākābhyām	piyākebhyaḥ
Genitive	piyākasya	piyākayoḥ	piyākānām
Locative	piyāke	piyākayoḥ	piyākeṣu

Compound piyāka -

Adverb -piyākam -piyākāt