Declension table of granthakartṛ

Masculine	Singular	Dual	Plural
Nominative	granthakartā	granthakartārau	granthakartāraḥ
Vocative	granthakartaḥ	granthakartārau	granthakartāraḥ
Accusative	granthakartāram	granthakartārau	granthakartṝn
Instrumental	granthakartrā	granthakartṛbhyām	granthakartṛbhiḥ
Dative	granthakartre	granthakartṛbhyām	granthakartṛbhyaḥ
Ablative	granthakartuḥ	granthakartṛbhyām	granthakartṛbhyaḥ
Genitive	granthakartuḥ	granthakartroḥ	granthakartṝṇām
Locative	granthakartari	granthakartroḥ	granthakartṛṣu

Compound granthakartṛ -

Adverb -granthakartṛ