Declension table of ?gopuraka

Masculine	Singular	Dual	Plural
Nominative	gopurakaḥ	gopurakau	gopurakāḥ
Vocative	gopuraka	gopurakau	gopurakāḥ
Accusative	gopurakam	gopurakau	gopurakān
Instrumental	gopurakeṇa	gopurakābhyām	gopurakaiḥ gopurakebhiḥ
Dative	gopurakāya	gopurakābhyām	gopurakebhyaḥ
Ablative	gopurakāt	gopurakābhyām	gopurakebhyaḥ
Genitive	gopurakasya	gopurakayoḥ	gopurakāṇām
Locative	gopurake	gopurakayoḥ	gopurakeṣu

Compound gopuraka -

Adverb -gopurakam -gopurakāt