Declension table of ?prayāman

Neuter	Singular	Dual	Plural
Nominative	prayāma	prayāmṇī	prayāmāṇi
Vocative	prayāman prayāma	prayāmṇī	prayāmāṇi
Accusative	prayāma	prayāmṇī	prayāmāṇi
Instrumental	prayāmṇā	prayāmabhyām	prayāmabhiḥ
Dative	prayāmṇe	prayāmabhyām	prayāmabhyaḥ
Ablative	prayāmṇaḥ	prayāmabhyām	prayāmabhyaḥ
Genitive	prayāmṇaḥ	prayāmṇoḥ	prayāmṇām
Locative	prayāmṇi prayāmaṇi	prayāmṇoḥ	prayāmasu

Compound prayāma -

Adverb -prayāma -prayāmam