Declension table of ?drumāgra

Neuter	Singular	Dual	Plural
Nominative	drumāgram	drumāgre	drumāgrāṇi
Vocative	drumāgra	drumāgre	drumāgrāṇi
Accusative	drumāgram	drumāgre	drumāgrāṇi
Instrumental	drumāgreṇa	drumāgrābhyām	drumāgraiḥ
Dative	drumāgrāya	drumāgrābhyām	drumāgrebhyaḥ
Ablative	drumāgrāt	drumāgrābhyām	drumāgrebhyaḥ
Genitive	drumāgrasya	drumāgrayoḥ	drumāgrāṇām
Locative	drumāgre	drumāgrayoḥ	drumāgreṣu

Compound drumāgra -

Adverb -drumāgram -drumāgrāt