Declension table of ?ārka

Masculine	Singular	Dual	Plural
Nominative	ārkaḥ	ārkau	ārkāḥ
Vocative	ārka	ārkau	ārkāḥ
Accusative	ārkam	ārkau	ārkān
Instrumental	ārkeṇa	ārkābhyām	ārkaiḥ ārkebhiḥ
Dative	ārkāya	ārkābhyām	ārkebhyaḥ
Ablative	ārkāt	ārkābhyām	ārkebhyaḥ
Genitive	ārkasya	ārkayoḥ	ārkāṇām
Locative	ārke	ārkayoḥ	ārkeṣu

Compound ārka -

Adverb -ārkam -ārkāt