Declension table of ?vilāpana

Neuter	Singular	Dual	Plural
Nominative	vilāpanam	vilāpane	vilāpanāni
Vocative	vilāpana	vilāpane	vilāpanāni
Accusative	vilāpanam	vilāpane	vilāpanāni
Instrumental	vilāpanena	vilāpanābhyām	vilāpanaiḥ
Dative	vilāpanāya	vilāpanābhyām	vilāpanebhyaḥ
Ablative	vilāpanāt	vilāpanābhyām	vilāpanebhyaḥ
Genitive	vilāpanasya	vilāpanayoḥ	vilāpanānām
Locative	vilāpane	vilāpanayoḥ	vilāpaneṣu

Compound vilāpana -

Adverb -vilāpanam -vilāpanāt