Declension table of ?rātraka

Neuter	Singular	Dual	Plural
Nominative	rātrakam	rātrake	rātrakāṇi
Vocative	rātraka	rātrake	rātrakāṇi
Accusative	rātrakam	rātrake	rātrakāṇi
Instrumental	rātrakeṇa	rātrakābhyām	rātrakaiḥ
Dative	rātrakāya	rātrakābhyām	rātrakebhyaḥ
Ablative	rātrakāt	rātrakābhyām	rātrakebhyaḥ
Genitive	rātrakasya	rātrakayoḥ	rātrakāṇām
Locative	rātrake	rātrakayoḥ	rātrakeṣu

Compound rātraka -

Adverb -rātrakam -rātrakāt