Declension table of vyavasāya

Masculine	Singular	Dual	Plural
Nominative	vyavasāyaḥ	vyavasāyau	vyavasāyāḥ
Vocative	vyavasāya	vyavasāyau	vyavasāyāḥ
Accusative	vyavasāyam	vyavasāyau	vyavasāyān
Instrumental	vyavasāyena	vyavasāyābhyām	vyavasāyaiḥ vyavasāyebhiḥ
Dative	vyavasāyāya	vyavasāyābhyām	vyavasāyebhyaḥ
Ablative	vyavasāyāt	vyavasāyābhyām	vyavasāyebhyaḥ
Genitive	vyavasāyasya	vyavasāyayoḥ	vyavasāyānām
Locative	vyavasāye	vyavasāyayoḥ	vyavasāyeṣu

Compound vyavasāya -

Adverb -vyavasāyam -vyavasāyāt