Declension table of ?havya

Neuter	Singular	Dual	Plural
Nominative	havyam	havye	havyāni
Vocative	havya	havye	havyāni
Accusative	havyam	havye	havyāni
Instrumental	havyena	havyābhyām	havyaiḥ
Dative	havyāya	havyābhyām	havyebhyaḥ
Ablative	havyāt	havyābhyām	havyebhyaḥ
Genitive	havyasya	havyayoḥ	havyānām
Locative	havye	havyayoḥ	havyeṣu

Compound havya -

Adverb -havyam -havyāt