| Singular | Dual | Plural |
| Nominative |
कठशाठी
kaṭhaśāṭhī
|
कठशाठिनौ
kaṭhaśāṭhinau
|
कठशाठिनः
kaṭhaśāṭhinaḥ
|
| Vocative |
कठशाठिन्
kaṭhaśāṭhin
|
कठशाठिनौ
kaṭhaśāṭhinau
|
कठशाठिनः
kaṭhaśāṭhinaḥ
|
| Accusative |
कठशाठिनम्
kaṭhaśāṭhinam
|
कठशाठिनौ
kaṭhaśāṭhinau
|
कठशाठिनः
kaṭhaśāṭhinaḥ
|
| Instrumental |
कठशाठिना
kaṭhaśāṭhinā
|
कठशाठिभ्याम्
kaṭhaśāṭhibhyām
|
कठशाठिभिः
kaṭhaśāṭhibhiḥ
|
| Dative |
कठशाठिने
kaṭhaśāṭhine
|
कठशाठिभ्याम्
kaṭhaśāṭhibhyām
|
कठशाठिभ्यः
kaṭhaśāṭhibhyaḥ
|
| Ablative |
कठशाठिनः
kaṭhaśāṭhinaḥ
|
कठशाठिभ्याम्
kaṭhaśāṭhibhyām
|
कठशाठिभ्यः
kaṭhaśāṭhibhyaḥ
|
| Genitive |
कठशाठिनः
kaṭhaśāṭhinaḥ
|
कठशाठिनोः
kaṭhaśāṭhinoḥ
|
कठशाठिनाम्
kaṭhaśāṭhinām
|
| Locative |
कठशाठिनि
kaṭhaśāṭhini
|
कठशाठिनोः
kaṭhaśāṭhinoḥ
|
कठशाठिषु
kaṭhaśāṭhiṣu
|