Declension table of ?vilāpana

Masculine	Singular	Dual	Plural
Nominative	vilāpanaḥ	vilāpanau	vilāpanāḥ
Vocative	vilāpana	vilāpanau	vilāpanāḥ
Accusative	vilāpanam	vilāpanau	vilāpanān
Instrumental	vilāpanena	vilāpanābhyām	vilāpanaiḥ vilāpanebhiḥ
Dative	vilāpanāya	vilāpanābhyām	vilāpanebhyaḥ
Ablative	vilāpanāt	vilāpanābhyām	vilāpanebhyaḥ
Genitive	vilāpanasya	vilāpanayoḥ	vilāpanānām
Locative	vilāpane	vilāpanayoḥ	vilāpaneṣu

Compound vilāpana -

Adverb -vilāpanam -vilāpanāt