Declension table of ?rātraka

Masculine	Singular	Dual	Plural
Nominative	rātrakaḥ	rātrakau	rātrakāḥ
Vocative	rātraka	rātrakau	rātrakāḥ
Accusative	rātrakam	rātrakau	rātrakān
Instrumental	rātrakeṇa	rātrakābhyām	rātrakaiḥ rātrakebhiḥ
Dative	rātrakāya	rātrakābhyām	rātrakebhyaḥ
Ablative	rātrakāt	rātrakābhyām	rātrakebhyaḥ
Genitive	rātrakasya	rātrakayoḥ	rātrakāṇām
Locative	rātrake	rātrakayoḥ	rātrakeṣu

Compound rātraka -

Adverb -rātrakam -rātrakāt