Declension table of prayatna

Masculine	Singular	Dual	Plural
Nominative	prayatnaḥ	prayatnau	prayatnāḥ
Vocative	prayatna	prayatnau	prayatnāḥ
Accusative	prayatnam	prayatnau	prayatnān
Instrumental	prayatnena	prayatnābhyām	prayatnaiḥ prayatnebhiḥ
Dative	prayatnāya	prayatnābhyām	prayatnebhyaḥ
Ablative	prayatnāt	prayatnābhyām	prayatnebhyaḥ
Genitive	prayatnasya	prayatnayoḥ	prayatnānām
Locative	prayatne	prayatnayoḥ	prayatneṣu

Compound prayatna -

Adverb -prayatnam -prayatnāt