Declension table of ?kāryakāraṇatva

Neuter	Singular	Dual	Plural
Nominative	kāryakāraṇatvam	kāryakāraṇatve	kāryakāraṇatvāni
Vocative	kāryakāraṇatva	kāryakāraṇatve	kāryakāraṇatvāni
Accusative	kāryakāraṇatvam	kāryakāraṇatve	kāryakāraṇatvāni
Instrumental	kāryakāraṇatvena	kāryakāraṇatvābhyām	kāryakāraṇatvaiḥ
Dative	kāryakāraṇatvāya	kāryakāraṇatvābhyām	kāryakāraṇatvebhyaḥ
Ablative	kāryakāraṇatvāt	kāryakāraṇatvābhyām	kāryakāraṇatvebhyaḥ
Genitive	kāryakāraṇatvasya	kāryakāraṇatvayoḥ	kāryakāraṇatvānām
Locative	kāryakāraṇatve	kāryakāraṇatvayoḥ	kāryakāraṇatveṣu

Compound kāryakāraṇatva -

Adverb -kāryakāraṇatvam -kāryakāraṇatvāt