| Singular | Dual | Plural | |
| Nominative |
रथकः
rathakaḥ |
रथकौ
rathakau |
रथकाः
rathakāḥ |
| Vocative |
रथक
rathaka |
रथकौ
rathakau |
रथकाः
rathakāḥ |
| Accusative |
रथकम्
rathakam |
रथकौ
rathakau |
रथकान्
rathakān |
| Instrumental |
रथकेन
rathakena |
रथकाभ्याम्
rathakābhyām |
रथकैः
rathakaiḥ |
| Dative |
रथकाय
rathakāya |
रथकाभ्याम्
rathakābhyām |
रथकेभ्यः
rathakebhyaḥ |
| Ablative |
रथकात्
rathakāt |
रथकाभ्याम्
rathakābhyām |
रथकेभ्यः
rathakebhyaḥ |
| Genitive |
रथकस्य
rathakasya |
रथकयोः
rathakayoḥ |
रथकानाम्
rathakānām |
| Locative |
रथके
rathake |
रथकयोः
rathakayoḥ |
रथकेषु
rathakeṣu |