Declension table of ?sūpya

Masculine	Singular	Dual	Plural
Nominative	sūpyaḥ	sūpyau	sūpyāḥ
Vocative	sūpya	sūpyau	sūpyāḥ
Accusative	sūpyam	sūpyau	sūpyān
Instrumental	sūpyena	sūpyābhyām	sūpyaiḥ sūpyebhiḥ
Dative	sūpyāya	sūpyābhyām	sūpyebhyaḥ
Ablative	sūpyāt	sūpyābhyām	sūpyebhyaḥ
Genitive	sūpyasya	sūpyayoḥ	sūpyānām
Locative	sūpye	sūpyayoḥ	sūpyeṣu

Compound sūpya -

Adverb -sūpyam -sūpyāt