Abbott-Smith Manual Greek Lexicon
σύγχυσις (G4799)
1 σύγχυσις , -εως, ἡ ( συγχέω ), [in LXX: Ge 11:9 ( בָּבֶל ), I Ki 5:6 , 12 (11) 14:20 ( מְהוּמָה ) * ;] confusion : of a popular uproar, Ac 19:29 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain