Declension table of ?koṭhaka

Masculine	Singular	Dual	Plural
Nominative	koṭhakaḥ	koṭhakau	koṭhakāḥ
Vocative	koṭhaka	koṭhakau	koṭhakāḥ
Accusative	koṭhakam	koṭhakau	koṭhakān
Instrumental	koṭhakena	koṭhakābhyām	koṭhakaiḥ koṭhakebhiḥ
Dative	koṭhakāya	koṭhakābhyām	koṭhakebhyaḥ
Ablative	koṭhakāt	koṭhakābhyām	koṭhakebhyaḥ
Genitive	koṭhakasya	koṭhakayoḥ	koṭhakānām
Locative	koṭhake	koṭhakayoḥ	koṭhakeṣu

Compound koṭhaka -

Adverb -koṭhakam -koṭhakāt