Declension table of ?kośya

Masculine	Singular	Dual	Plural
Nominative	kośyaḥ	kośyau	kośyāḥ
Vocative	kośya	kośyau	kośyāḥ
Accusative	kośyam	kośyau	kośyān
Instrumental	kośyena	kośyābhyām	kośyaiḥ kośyebhiḥ
Dative	kośyāya	kośyābhyām	kośyebhyaḥ
Ablative	kośyāt	kośyābhyām	kośyebhyaḥ
Genitive	kośyasya	kośyayoḥ	kośyānām
Locative	kośye	kośyayoḥ	kośyeṣu

Compound kośya -

Adverb -kośyam -kośyāt