Declension table of ?maruvaka

Neuter	Singular	Dual	Plural
Nominative	maruvakam	maruvake	maruvakāṇi
Vocative	maruvaka	maruvake	maruvakāṇi
Accusative	maruvakam	maruvake	maruvakāṇi
Instrumental	maruvakeṇa	maruvakābhyām	maruvakaiḥ
Dative	maruvakāya	maruvakābhyām	maruvakebhyaḥ
Ablative	maruvakāt	maruvakābhyām	maruvakebhyaḥ
Genitive	maruvakasya	maruvakayoḥ	maruvakāṇām
Locative	maruvake	maruvakayoḥ	maruvakeṣu

Compound maruvaka -

Adverb -maruvakam -maruvakāt