Declension table of ?kupātraka

Neuter	Singular	Dual	Plural
Nominative	kupātrakam	kupātrake	kupātrakāṇi
Vocative	kupātraka	kupātrake	kupātrakāṇi
Accusative	kupātrakam	kupātrake	kupātrakāṇi
Instrumental	kupātrakeṇa	kupātrakābhyām	kupātrakaiḥ
Dative	kupātrakāya	kupātrakābhyām	kupātrakebhyaḥ
Ablative	kupātrakāt	kupātrakābhyām	kupātrakebhyaḥ
Genitive	kupātrakasya	kupātrakayoḥ	kupātrakāṇām
Locative	kupātrake	kupātrakayoḥ	kupātrakeṣu

Compound kupātraka -

Adverb -kupātrakam -kupātrakāt