Declension table of ?vavyayāna

Neuter	Singular	Dual	Plural
Nominative	vavyayānam	vavyayāne	vavyayānāni
Vocative	vavyayāna	vavyayāne	vavyayānāni
Accusative	vavyayānam	vavyayāne	vavyayānāni
Instrumental	vavyayānena	vavyayānābhyām	vavyayānaiḥ
Dative	vavyayānāya	vavyayānābhyām	vavyayānebhyaḥ
Ablative	vavyayānāt	vavyayānābhyām	vavyayānebhyaḥ
Genitive	vavyayānasya	vavyayānayoḥ	vavyayānānām
Locative	vavyayāne	vavyayānayoḥ	vavyayāneṣu

Compound vavyayāna -

Adverb -vavyayānam -vavyayānāt