φωΐς
From LSJ
εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
English (LSJ)
ΐδος, ἡ, contr. φῴς, φῳδός, only found in pl. φωΐδες, φῷδες (erroneously written φοῖδες in Arist.Pr.967a27), gen. φῴδων (Hdn. Gr.2.342):—
A blister on the skin, caused by a burn, Hippon.59, Ar. Pl.535 (anap.), Fr.345, Hp.Morb.2.54, Diocl.Fr.80.
German (Pape)
[Seite 1321] ΐδος, ἡ, zsgzgn φῴς, φῳδός, in der Regel nur im plur. φωΐδες, φῷδες, gen. φῴδων, – Blasen auf der Haut, Brandblasen, schwarze Brandflecken; Hippocr.; Ar. Plut. 535; B. A. 70.