Declension table of ?karapaṇya

Neuter	Singular	Dual	Plural
Nominative	karapaṇyam	karapaṇye	karapaṇyāni
Vocative	karapaṇya	karapaṇye	karapaṇyāni
Accusative	karapaṇyam	karapaṇye	karapaṇyāni
Instrumental	karapaṇyena	karapaṇyābhyām	karapaṇyaiḥ
Dative	karapaṇyāya	karapaṇyābhyām	karapaṇyebhyaḥ
Ablative	karapaṇyāt	karapaṇyābhyām	karapaṇyebhyaḥ
Genitive	karapaṇyasya	karapaṇyayoḥ	karapaṇyānām
Locative	karapaṇye	karapaṇyayoḥ	karapaṇyeṣu

Compound karapaṇya -

Adverb -karapaṇyam -karapaṇyāt