πλάσις
From LSJ
ἐὰν οὖν τὰ μαλακὰ σκληρῶς καὶ τὰ σκληρὰ μαλακῶς λέγηται, πιθανὸν γίγνεται → but if, as a result, gentle things are said harshly and harsh things gently, the result is unpersuasive
English (LSJ)
[ᾰ], εως, ἡ, (πλάσσω)
A moulding, conformation, τοῦ ἐμβρύου Arist.GA776a33 ; of an infant, by massage, Sor.1.85 ; of a statue, Rev.Ét.Anc.33.215 (Theangela, iii B.C.); ὀπτῆς πλίνθου PSI6.712.5 (iii A.D.): generally, opp. ὕλη, Plot.3.3.4. 2 training of the voice, Plu.Cic.4. 3 fiction, invention, Arist.Metaph.1086a4, Demetr.Eloc.158 ; πλάσει τῶν ἀδυνάτων Str.1.2.35.