Declension table of ?kacitavya

Neuter	Singular	Dual	Plural
Nominative	kacitavyam	kacitavye	kacitavyāni
Vocative	kacitavya	kacitavye	kacitavyāni
Accusative	kacitavyam	kacitavye	kacitavyāni
Instrumental	kacitavyena	kacitavyābhyām	kacitavyaiḥ
Dative	kacitavyāya	kacitavyābhyām	kacitavyebhyaḥ
Ablative	kacitavyāt	kacitavyābhyām	kacitavyebhyaḥ
Genitive	kacitavyasya	kacitavyayoḥ	kacitavyānām
Locative	kacitavye	kacitavyayoḥ	kacitavyeṣu

Compound kacitavya -

Adverb -kacitavyam -kacitavyāt