Declension table of ?upakṛṣṇaka

Masculine	Singular	Dual	Plural
Nominative	upakṛṣṇakaḥ	upakṛṣṇakau	upakṛṣṇakāḥ
Vocative	upakṛṣṇaka	upakṛṣṇakau	upakṛṣṇakāḥ
Accusative	upakṛṣṇakam	upakṛṣṇakau	upakṛṣṇakān
Instrumental	upakṛṣṇakena	upakṛṣṇakābhyām	upakṛṣṇakaiḥ upakṛṣṇakebhiḥ
Dative	upakṛṣṇakāya	upakṛṣṇakābhyām	upakṛṣṇakebhyaḥ
Ablative	upakṛṣṇakāt	upakṛṣṇakābhyām	upakṛṣṇakebhyaḥ
Genitive	upakṛṣṇakasya	upakṛṣṇakayoḥ	upakṛṣṇakānām
Locative	upakṛṣṇake	upakṛṣṇakayoḥ	upakṛṣṇakeṣu

Compound upakṛṣṇaka -

Adverb -upakṛṣṇakam -upakṛṣṇakāt