Declension table of prayojya

Neuter	Singular	Dual	Plural
Nominative	prayojyam	prayojye	prayojyāni
Vocative	prayojya	prayojye	prayojyāni
Accusative	prayojyam	prayojye	prayojyāni
Instrumental	prayojyena	prayojyābhyām	prayojyaiḥ
Dative	prayojyāya	prayojyābhyām	prayojyebhyaḥ
Ablative	prayojyāt	prayojyābhyām	prayojyebhyaḥ
Genitive	prayojyasya	prayojyayoḥ	prayojyānām
Locative	prayojye	prayojyayoḥ	prayojyeṣu

Compound prayojya -

Adverb -prayojyam -prayojyāt