Declension table of ?atarka

Neuter	Singular	Dual	Plural
Nominative	atarkam	atarke	atarkāṇi
Vocative	atarka	atarke	atarkāṇi
Accusative	atarkam	atarke	atarkāṇi
Instrumental	atarkeṇa	atarkābhyām	atarkaiḥ
Dative	atarkāya	atarkābhyām	atarkebhyaḥ
Ablative	atarkāt	atarkābhyām	atarkebhyaḥ
Genitive	atarkasya	atarkayoḥ	atarkāṇām
Locative	atarke	atarkayoḥ	atarkeṣu

Compound atarka -

Adverb -atarkam -atarkāt