Declension table of ?gavyaya

Neuter	Singular	Dual	Plural
Nominative	gavyayam	gavyaye	gavyayāni
Vocative	gavyaya	gavyaye	gavyayāni
Accusative	gavyayam	gavyaye	gavyayāni
Instrumental	gavyayena	gavyayābhyām	gavyayaiḥ
Dative	gavyayāya	gavyayābhyām	gavyayebhyaḥ
Ablative	gavyayāt	gavyayābhyām	gavyayebhyaḥ
Genitive	gavyayasya	gavyayayoḥ	gavyayānām
Locative	gavyaye	gavyayayoḥ	gavyayeṣu

Compound gavyaya -

Adverb -gavyayam -gavyayāt