Declension table of ?rāsya

Masculine	Singular	Dual	Plural
Nominative	rāsyaḥ	rāsyau	rāsyāḥ
Vocative	rāsya	rāsyau	rāsyāḥ
Accusative	rāsyam	rāsyau	rāsyān
Instrumental	rāsyena	rāsyābhyām	rāsyaiḥ rāsyebhiḥ
Dative	rāsyāya	rāsyābhyām	rāsyebhyaḥ
Ablative	rāsyāt	rāsyābhyām	rāsyebhyaḥ
Genitive	rāsyasya	rāsyayoḥ	rāsyānām
Locative	rāsye	rāsyayoḥ	rāsyeṣu

Compound rāsya -

Adverb -rāsyam -rāsyāt