Declension table of ?sūpakartṛ

Masculine	Singular	Dual	Plural
Nominative	sūpakartā	sūpakartārau	sūpakartāraḥ
Vocative	sūpakartaḥ	sūpakartārau	sūpakartāraḥ
Accusative	sūpakartāram	sūpakartārau	sūpakartṝn
Instrumental	sūpakartrā	sūpakartṛbhyām	sūpakartṛbhiḥ
Dative	sūpakartre	sūpakartṛbhyām	sūpakartṛbhyaḥ
Ablative	sūpakartuḥ	sūpakartṛbhyām	sūpakartṛbhyaḥ
Genitive	sūpakartuḥ	sūpakartroḥ	sūpakartṝṇām
Locative	sūpakartari	sūpakartroḥ	sūpakartṛṣu

Compound sūpakartṛ -

Adverb -sūpakartṛ