διαφων-έω · diaphōn-eō — LSJ
to be a discord, in Music, Aristox. Harm. p.45M.; to be out of tune, Pl. Grg. 482b.
generally, disagree, Id. Lg. 860a, etc.; δ. περί τινος Arist. Metaph. 1085b36; διαφωνεῖ τι τῶν χρημάτων there is a discrepancy in the accounts, Plb. 21.43.23; τῷ ῥηθέντι Pl. Plt. 292b, etc.; ἀλλήλοις συμφωνεῖν ἢ δ. Id. Phd. 101d; τῷ ψευδεῖ δ. τἀληθές Arist. EN 1098b12, al.; πρὸς τὴν ἀήθειαν Iamb. Myst. 9.3:—Pass., διαπεφώνηται it has been disputed, D.H. 1.45.
fail to answer roll-calls, desert, LXX Ex. 24.11, al.; δ. ἐν μηδενὶ τῶν ἀγαθῶν fail, Ph. Fr. 59 H.: metaph. of promises, fail, be found wanting, LXX 3 Ki. 8.56.
to be lost, perish, SIG 521.25 (Amorgos, iii B.C.), 611.10 (Delph., ii B.C.), Agatharch. 84, S.E. M. 1.267; of plants or animals, BGU 530.31 (i B. C.), Hippiatr. 2; διαπεφωνήκαμεν we are lost, LXX Ez. 37.11; to be lost, of things, PSI 5.527.15 (iii B. C.); of books, D.S. 16.3:—in pf. Pass., PRein. 17.14 (ii B. C.).