Declension table of ?vardhāpana

Neuter	Singular	Dual	Plural
Nominative	vardhāpanam	vardhāpane	vardhāpanāni
Vocative	vardhāpana	vardhāpane	vardhāpanāni
Accusative	vardhāpanam	vardhāpane	vardhāpanāni
Instrumental	vardhāpanena	vardhāpanābhyām	vardhāpanaiḥ
Dative	vardhāpanāya	vardhāpanābhyām	vardhāpanebhyaḥ
Ablative	vardhāpanāt	vardhāpanābhyām	vardhāpanebhyaḥ
Genitive	vardhāpanasya	vardhāpanayoḥ	vardhāpanānām
Locative	vardhāpane	vardhāpanayoḥ	vardhāpaneṣu

Compound vardhāpana -

Adverb -vardhāpanam -vardhāpanāt