Declension table of ?vyayaka

Neuter	Singular	Dual	Plural
Nominative	vyayakam	vyayake	vyayakāni
Vocative	vyayaka	vyayake	vyayakāni
Accusative	vyayakam	vyayake	vyayakāni
Instrumental	vyayakena	vyayakābhyām	vyayakaiḥ
Dative	vyayakāya	vyayakābhyām	vyayakebhyaḥ
Ablative	vyayakāt	vyayakābhyām	vyayakebhyaḥ
Genitive	vyayakasya	vyayakayoḥ	vyayakānām
Locative	vyayake	vyayakayoḥ	vyayakeṣu

Compound vyayaka -

Adverb -vyayakam -vyayakāt