Declension table of ?harṣuka

Masculine	Singular	Dual	Plural
Nominative	harṣukaḥ	harṣukau	harṣukāḥ
Vocative	harṣuka	harṣukau	harṣukāḥ
Accusative	harṣukam	harṣukau	harṣukān
Instrumental	harṣukeṇa	harṣukābhyām	harṣukaiḥ harṣukebhiḥ
Dative	harṣukāya	harṣukābhyām	harṣukebhyaḥ
Ablative	harṣukāt	harṣukābhyām	harṣukebhyaḥ
Genitive	harṣukasya	harṣukayoḥ	harṣukāṇām
Locative	harṣuke	harṣukayoḥ	harṣukeṣu

Compound harṣuka -

Adverb -harṣukam -harṣukāt