Declension table of ?hāruka

Masculine	Singular	Dual	Plural
Nominative	hārukaḥ	hārukau	hārukāḥ
Vocative	hāruka	hārukau	hārukāḥ
Accusative	hārukam	hārukau	hārukān
Instrumental	hārukeṇa	hārukābhyām	hārukaiḥ hārukebhiḥ
Dative	hārukāya	hārukābhyām	hārukebhyaḥ
Ablative	hārukāt	hārukābhyām	hārukebhyaḥ
Genitive	hārukasya	hārukayoḥ	hārukāṇām
Locative	hāruke	hārukayoḥ	hārukeṣu

Compound hāruka -

Adverb -hārukam -hārukāt