Declension table of ?niḥsāmarthya

Neuter	Singular	Dual	Plural
Nominative	niḥsāmarthyam	niḥsāmarthye	niḥsāmarthyāni
Vocative	niḥsāmarthya	niḥsāmarthye	niḥsāmarthyāni
Accusative	niḥsāmarthyam	niḥsāmarthye	niḥsāmarthyāni
Instrumental	niḥsāmarthyena	niḥsāmarthyābhyām	niḥsāmarthyaiḥ
Dative	niḥsāmarthyāya	niḥsāmarthyābhyām	niḥsāmarthyebhyaḥ
Ablative	niḥsāmarthyāt	niḥsāmarthyābhyām	niḥsāmarthyebhyaḥ
Genitive	niḥsāmarthyasya	niḥsāmarthyayoḥ	niḥsāmarthyānām
Locative	niḥsāmarthye	niḥsāmarthyayoḥ	niḥsāmarthyeṣu

Compound niḥsāmarthya -

Adverb -niḥsāmarthyam -niḥsāmarthyāt