Declension table of ?hanavya

Neuter	Singular	Dual	Plural
Nominative	hanavyam	hanavye	hanavyāni
Vocative	hanavya	hanavye	hanavyāni
Accusative	hanavyam	hanavye	hanavyāni
Instrumental	hanavyena	hanavyābhyām	hanavyaiḥ
Dative	hanavyāya	hanavyābhyām	hanavyebhyaḥ
Ablative	hanavyāt	hanavyābhyām	hanavyebhyaḥ
Genitive	hanavyasya	hanavyayoḥ	hanavyānām
Locative	hanavye	hanavyayoḥ	hanavyeṣu

Compound hanavya -

Adverb -hanavyam -hanavyāt