Declension table of ?avyatha

Neuter	Singular	Dual	Plural
Nominative	avyatham	avyathe	avyathāni
Vocative	avyatha	avyathe	avyathāni
Accusative	avyatham	avyathe	avyathāni
Instrumental	avyathena	avyathābhyām	avyathaiḥ
Dative	avyathāya	avyathābhyām	avyathebhyaḥ
Ablative	avyathāt	avyathābhyām	avyathebhyaḥ
Genitive	avyathasya	avyathayoḥ	avyathānām
Locative	avyathe	avyathayoḥ	avyatheṣu

Compound avyatha -

Adverb -avyatham -avyathāt