Declension table of ?knavya

Neuter	Singular	Dual	Plural
Nominative	knavyam	knavye	knavyāni
Vocative	knavya	knavye	knavyāni
Accusative	knavyam	knavye	knavyāni
Instrumental	knavyena	knavyābhyām	knavyaiḥ
Dative	knavyāya	knavyābhyām	knavyebhyaḥ
Ablative	knavyāt	knavyābhyām	knavyebhyaḥ
Genitive	knavyasya	knavyayoḥ	knavyānām
Locative	knavye	knavyayoḥ	knavyeṣu

Compound knavya -

Adverb -knavyam -knavyāt