Declension table of ?kathāyoga

Masculine	Singular	Dual	Plural
Nominative	kathāyogaḥ	kathāyogau	kathāyogāḥ
Vocative	kathāyoga	kathāyogau	kathāyogāḥ
Accusative	kathāyogam	kathāyogau	kathāyogān
Instrumental	kathāyogena	kathāyogābhyām	kathāyogaiḥ kathāyogebhiḥ
Dative	kathāyogāya	kathāyogābhyām	kathāyogebhyaḥ
Ablative	kathāyogāt	kathāyogābhyām	kathāyogebhyaḥ
Genitive	kathāyogasya	kathāyogayoḥ	kathāyogānām
Locative	kathāyoge	kathāyogayoḥ	kathāyogeṣu

Compound kathāyoga -

Adverb -kathāyogam -kathāyogāt