Declension table of ?kupathya

Masculine	Singular	Dual	Plural
Nominative	kupathyaḥ	kupathyau	kupathyāḥ
Vocative	kupathya	kupathyau	kupathyāḥ
Accusative	kupathyam	kupathyau	kupathyān
Instrumental	kupathyena	kupathyābhyām	kupathyaiḥ kupathyebhiḥ
Dative	kupathyāya	kupathyābhyām	kupathyebhyaḥ
Ablative	kupathyāt	kupathyābhyām	kupathyebhyaḥ
Genitive	kupathyasya	kupathyayoḥ	kupathyānām
Locative	kupathye	kupathyayoḥ	kupathyeṣu

Compound kupathya -

Adverb -kupathyam -kupathyāt