Declension table of ?vyarthayatna

Neuter	Singular	Dual	Plural
Nominative	vyarthayatnam	vyarthayatne	vyarthayatnāni
Vocative	vyarthayatna	vyarthayatne	vyarthayatnāni
Accusative	vyarthayatnam	vyarthayatne	vyarthayatnāni
Instrumental	vyarthayatnena	vyarthayatnābhyām	vyarthayatnaiḥ
Dative	vyarthayatnāya	vyarthayatnābhyām	vyarthayatnebhyaḥ
Ablative	vyarthayatnāt	vyarthayatnābhyām	vyarthayatnebhyaḥ
Genitive	vyarthayatnasya	vyarthayatnayoḥ	vyarthayatnānām
Locative	vyarthayatne	vyarthayatnayoḥ	vyarthayatneṣu

Compound vyarthayatna -

Adverb -vyarthayatnam -vyarthayatnāt