Declension table of ?kuparīkṣaka

Masculine	Singular	Dual	Plural
Nominative	kuparīkṣakaḥ	kuparīkṣakau	kuparīkṣakāḥ
Vocative	kuparīkṣaka	kuparīkṣakau	kuparīkṣakāḥ
Accusative	kuparīkṣakam	kuparīkṣakau	kuparīkṣakān
Instrumental	kuparīkṣakeṇa	kuparīkṣakābhyām	kuparīkṣakaiḥ kuparīkṣakebhiḥ
Dative	kuparīkṣakāya	kuparīkṣakābhyām	kuparīkṣakebhyaḥ
Ablative	kuparīkṣakāt	kuparīkṣakābhyām	kuparīkṣakebhyaḥ
Genitive	kuparīkṣakasya	kuparīkṣakayoḥ	kuparīkṣakāṇām
Locative	kuparīkṣake	kuparīkṣakayoḥ	kuparīkṣakeṣu

Compound kuparīkṣaka -

Adverb -kuparīkṣakam -kuparīkṣakāt