Declension table of ?kartṛguptaka

Neuter	Singular	Dual	Plural
Nominative	kartṛguptakam	kartṛguptake	kartṛguptakāni
Vocative	kartṛguptaka	kartṛguptake	kartṛguptakāni
Accusative	kartṛguptakam	kartṛguptake	kartṛguptakāni
Instrumental	kartṛguptakena	kartṛguptakābhyām	kartṛguptakaiḥ
Dative	kartṛguptakāya	kartṛguptakābhyām	kartṛguptakebhyaḥ
Ablative	kartṛguptakāt	kartṛguptakābhyām	kartṛguptakebhyaḥ
Genitive	kartṛguptakasya	kartṛguptakayoḥ	kartṛguptakānām
Locative	kartṛguptake	kartṛguptakayoḥ	kartṛguptakeṣu

Compound kartṛguptaka -

Adverb -kartṛguptakam -kartṛguptakāt