Declension table of ?prayogārtha

Neuter	Singular	Dual	Plural
Nominative	prayogārtham	prayogārthe	prayogārthāni
Vocative	prayogārtha	prayogārthe	prayogārthāni
Accusative	prayogārtham	prayogārthe	prayogārthāni
Instrumental	prayogārthena	prayogārthābhyām	prayogārthaiḥ
Dative	prayogārthāya	prayogārthābhyām	prayogārthebhyaḥ
Ablative	prayogārthāt	prayogārthābhyām	prayogārthebhyaḥ
Genitive	prayogārthasya	prayogārthayoḥ	prayogārthānām
Locative	prayogārthe	prayogārthayoḥ	prayogārtheṣu

Compound prayogārtha -

Adverb -prayogārtham -prayogārthāt