Declension table of ?chattraka

Neuter	Singular	Dual	Plural
Nominative	chattrakam	chattrake	chattrakāṇi
Vocative	chattraka	chattrake	chattrakāṇi
Accusative	chattrakam	chattrake	chattrakāṇi
Instrumental	chattrakeṇa	chattrakābhyām	chattrakaiḥ
Dative	chattrakāya	chattrakābhyām	chattrakebhyaḥ
Ablative	chattrakāt	chattrakābhyām	chattrakebhyaḥ
Genitive	chattrakasya	chattrakayoḥ	chattrakāṇām
Locative	chattrake	chattrakayoḥ	chattrakeṣu

Compound chattraka -

Adverb -chattrakam -chattrakāt