Declension table of ?marmaraka

Neuter	Singular	Dual	Plural
Nominative	marmarakam	marmarake	marmarakāṇi
Vocative	marmaraka	marmarake	marmarakāṇi
Accusative	marmarakam	marmarake	marmarakāṇi
Instrumental	marmarakeṇa	marmarakābhyām	marmarakaiḥ
Dative	marmarakāya	marmarakābhyām	marmarakebhyaḥ
Ablative	marmarakāt	marmarakābhyām	marmarakebhyaḥ
Genitive	marmarakasya	marmarakayoḥ	marmarakāṇām
Locative	marmarake	marmarakayoḥ	marmarakeṣu

Compound marmaraka -

Adverb -marmarakam -marmarakāt