falsify
From LSJ
φελένη καὶ φάναξ καὶ φοῖκος καὶ φαήρ → Ἑλένη καὶ ἄναξ καὶ οἶκος καὶ ἀήρ | Helen, lord, house, and air
tamper with: P. and V. λυμαίνεσθαι (Eur., Fragment).
disappoint, frustrate: P. and V. σφάλλω, σφάλλειν.
belie: P. and V. ψεύδεσθαι, V. ψεύδειν.