Declension table of ?vyavaseya

Neuter	Singular	Dual	Plural
Nominative	vyavaseyam	vyavaseye	vyavaseyāni
Vocative	vyavaseya	vyavaseye	vyavaseyāni
Accusative	vyavaseyam	vyavaseye	vyavaseyāni
Instrumental	vyavaseyena	vyavaseyābhyām	vyavaseyaiḥ
Dative	vyavaseyāya	vyavaseyābhyām	vyavaseyebhyaḥ
Ablative	vyavaseyāt	vyavaseyābhyām	vyavaseyebhyaḥ
Genitive	vyavaseyasya	vyavaseyayoḥ	vyavaseyānām
Locative	vyavaseye	vyavaseyayoḥ	vyavaseyeṣu

Compound vyavaseya -

Adverb -vyavaseyam -vyavaseyāt