Declension table of ?prayasta

Masculine	Singular	Dual	Plural
Nominative	prayastaḥ	prayastau	prayastāḥ
Vocative	prayasta	prayastau	prayastāḥ
Accusative	prayastam	prayastau	prayastān
Instrumental	prayastena	prayastābhyām	prayastaiḥ prayastebhiḥ
Dative	prayastāya	prayastābhyām	prayastebhyaḥ
Ablative	prayastāt	prayastābhyām	prayastebhyaḥ
Genitive	prayastasya	prayastayoḥ	prayastānām
Locative	prayaste	prayastayoḥ	prayasteṣu

Compound prayasta -

Adverb -prayastam -prayastāt