Declension table of ?hahava

Neuter	Singular	Dual	Plural
Nominative	hahavam	hahave	hahavāni
Vocative	hahava	hahave	hahavāni
Accusative	hahavam	hahave	hahavāni
Instrumental	hahavena	hahavābhyām	hahavaiḥ
Dative	hahavāya	hahavābhyām	hahavebhyaḥ
Ablative	hahavāt	hahavābhyām	hahavebhyaḥ
Genitive	hahavasya	hahavayoḥ	hahavānām
Locative	hahave	hahavayoḥ	hahaveṣu

Compound hahava -

Adverb -hahavam -hahavāt