Declension table of ?gandharvavivāha

Masculine	Singular	Dual	Plural
Nominative	gandharvavivāhaḥ	gandharvavivāhau	gandharvavivāhāḥ
Vocative	gandharvavivāha	gandharvavivāhau	gandharvavivāhāḥ
Accusative	gandharvavivāham	gandharvavivāhau	gandharvavivāhān
Instrumental	gandharvavivāheṇa	gandharvavivāhābhyām	gandharvavivāhaiḥ gandharvavivāhebhiḥ
Dative	gandharvavivāhāya	gandharvavivāhābhyām	gandharvavivāhebhyaḥ
Ablative	gandharvavivāhāt	gandharvavivāhābhyām	gandharvavivāhebhyaḥ
Genitive	gandharvavivāhasya	gandharvavivāhayoḥ	gandharvavivāhāṇām
Locative	gandharvavivāhe	gandharvavivāhayoḥ	gandharvavivāheṣu

Compound gandharvavivāha -

Adverb -gandharvavivāham -gandharvavivāhāt