Declension table of ?mātraka

Neuter	Singular	Dual	Plural
Nominative	mātrakam	mātrake	mātrakāṇi
Vocative	mātraka	mātrake	mātrakāṇi
Accusative	mātrakam	mātrake	mātrakāṇi
Instrumental	mātrakeṇa	mātrakābhyām	mātrakaiḥ
Dative	mātrakāya	mātrakābhyām	mātrakebhyaḥ
Ablative	mātrakāt	mātrakābhyām	mātrakebhyaḥ
Genitive	mātrakasya	mātrakayoḥ	mātrakāṇām
Locative	mātrake	mātrakayoḥ	mātrakeṣu

Compound mātraka -

Adverb -mātrakam -mātrakāt