| Singular | Dual | Plural |
| Nominative |
ऐकार्थ्यम्
aikārthyam
|
ऐकार्थ्ये
aikārthye
|
ऐकार्थ्यानि
aikārthyāni
|
| Vocative |
ऐकार्थ्य
aikārthya
|
ऐकार्थ्ये
aikārthye
|
ऐकार्थ्यानि
aikārthyāni
|
| Accusative |
ऐकार्थ्यम्
aikārthyam
|
ऐकार्थ्ये
aikārthye
|
ऐकार्थ्यानि
aikārthyāni
|
| Instrumental |
ऐकार्थ्येन
aikārthyena
|
ऐकार्थ्याभ्याम्
aikārthyābhyām
|
ऐकार्थ्यैः
aikārthyaiḥ
|
| Dative |
ऐकार्थ्याय
aikārthyāya
|
ऐकार्थ्याभ्याम्
aikārthyābhyām
|
ऐकार्थ्येभ्यः
aikārthyebhyaḥ
|
| Ablative |
ऐकार्थ्यात्
aikārthyāt
|
ऐकार्थ्याभ्याम्
aikārthyābhyām
|
ऐकार्थ्येभ्यः
aikārthyebhyaḥ
|
| Genitive |
ऐकार्थ्यस्य
aikārthyasya
|
ऐकार्थ्ययोः
aikārthyayoḥ
|
ऐकार्थ्यानाम्
aikārthyānām
|
| Locative |
ऐकार्थ्ये
aikārthye
|
ऐकार्थ्ययोः
aikārthyayoḥ
|
ऐकार्थ्येषु
aikārthyeṣu
|