Θυνιάς
Could not find Θυνιάδα in Logeion dictionaries.
Θυνιάδα Proper-name adjective: feminine accusative singular of Θυνιάς
Θυνιάς — Apollonia/Thynias I. (Pontus), Pleiades 511446
Θυνιάς, άδος [ῡ] adj. f. Θ. νῆσος, c. le préc. A. Rh. 2, 350 et 675.