Declension table of prayāsa

Masculine	Singular	Dual	Plural
Nominative	prayāsaḥ	prayāsau	prayāsāḥ
Vocative	prayāsa	prayāsau	prayāsāḥ
Accusative	prayāsam	prayāsau	prayāsān
Instrumental	prayāsena	prayāsābhyām	prayāsaiḥ prayāsebhiḥ
Dative	prayāsāya	prayāsābhyām	prayāsebhyaḥ
Ablative	prayāsāt	prayāsābhyām	prayāsebhyaḥ
Genitive	prayāsasya	prayāsayoḥ	prayāsānām
Locative	prayāse	prayāsayoḥ	prayāseṣu

Compound prayāsa -

Adverb -prayāsam -prayāsāt