Declension table of ?niḥsāmarthya

Masculine	Singular	Dual	Plural
Nominative	niḥsāmarthyaḥ	niḥsāmarthyau	niḥsāmarthyāḥ
Vocative	niḥsāmarthya	niḥsāmarthyau	niḥsāmarthyāḥ
Accusative	niḥsāmarthyam	niḥsāmarthyau	niḥsāmarthyān
Instrumental	niḥsāmarthyena	niḥsāmarthyābhyām	niḥsāmarthyaiḥ niḥsāmarthyebhiḥ
Dative	niḥsāmarthyāya	niḥsāmarthyābhyām	niḥsāmarthyebhyaḥ
Ablative	niḥsāmarthyāt	niḥsāmarthyābhyām	niḥsāmarthyebhyaḥ
Genitive	niḥsāmarthyasya	niḥsāmarthyayoḥ	niḥsāmarthyānām
Locative	niḥsāmarthye	niḥsāmarthyayoḥ	niḥsāmarthyeṣu

Compound niḥsāmarthya -

Adverb -niḥsāmarthyam -niḥsāmarthyāt