Extended Strong's Greek Lexicon (Abbott-Smith based)
disobedience
Usage: ἀπείθεια (WH, -θία, exc. Heb.11:1-40. with), -ας, ἡ (ἀπειθής), [in LXX 4Ma.8:9 4Mac 8:18 4Mac 12:4 * ;] disobedience (MM, VGT, see word): Rom.11:30, 32, Heb.4:6, 11; υἱοὶ τῆς ἀ. (genitive of definition, see M, Pr., 73 f.), Eph.2:2 5:6, Col.3:6 (T, WH R, mg., omit).† (AS)