Declension table of ?avivāha

Neuter	Singular	Dual	Plural
Nominative	avivāham	avivāhe	avivāhāni
Vocative	avivāha	avivāhe	avivāhāni
Accusative	avivāham	avivāhe	avivāhāni
Instrumental	avivāhena	avivāhābhyām	avivāhaiḥ
Dative	avivāhāya	avivāhābhyām	avivāhebhyaḥ
Ablative	avivāhāt	avivāhābhyām	avivāhebhyaḥ
Genitive	avivāhasya	avivāhayoḥ	avivāhānām
Locative	avivāhe	avivāhayoḥ	avivāheṣu

Compound avivāha -

Adverb -avivāham -avivāhāt