παρωνυμία
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ἡ,
A by-name, nickname, Plu. 2.401a,421e ; punning perversion of words, ib.853b (pl.). 2 alternative name, Dam.Pr.61.
German (Pape)
[Seite 530] ἡ, Ableitung eines Wortes aus dem andern, Gramm. – Auch = παρονομασία, Sp., u. wie παρωνύμιον, Bei-, Zuname, Plut. de Pyth. or. 14.