| Singular | Dual | Plural |
| Nominative |
एकार्थत्वम्
ekārthatvam
|
एकार्थत्वे
ekārthatve
|
एकार्थत्वानि
ekārthatvāni
|
| Vocative |
एकार्थत्व
ekārthatva
|
एकार्थत्वे
ekārthatve
|
एकार्थत्वानि
ekārthatvāni
|
| Accusative |
एकार्थत्वम्
ekārthatvam
|
एकार्थत्वे
ekārthatve
|
एकार्थत्वानि
ekārthatvāni
|
| Instrumental |
एकार्थत्वेन
ekārthatvena
|
एकार्थत्वाभ्याम्
ekārthatvābhyām
|
एकार्थत्वैः
ekārthatvaiḥ
|
| Dative |
एकार्थत्वाय
ekārthatvāya
|
एकार्थत्वाभ्याम्
ekārthatvābhyām
|
एकार्थत्वेभ्यः
ekārthatvebhyaḥ
|
| Ablative |
एकार्थत्वात्
ekārthatvāt
|
एकार्थत्वाभ्याम्
ekārthatvābhyām
|
एकार्थत्वेभ्यः
ekārthatvebhyaḥ
|
| Genitive |
एकार्थत्वस्य
ekārthatvasya
|
एकार्थत्वयोः
ekārthatvayoḥ
|
एकार्थत्वानाम्
ekārthatvānām
|
| Locative |
एकार्थत्वे
ekārthatve
|
एकार्थत्वयोः
ekārthatvayoḥ
|
एकार्थत्वेषु
ekārthatveṣu
|