G3429
μοιχάω
to commit adultery
μοιχάω, -ῶ (= cl. μοιχεύω), [in LXX (mid., absol. and with accusative, with party of either sex as subj.) : Jer.3:8 5:7 7:9 9:2 23:14 29:23, Eze.16:32 23:37, 43 (נָאַף) * ;] to commit adultery with: with accusative, fem. In NT always mid, in same sense; of the man : absol., Mat.5:32 19:9 (WH, txt., R, mg., om.); before ἐπ᾽ αὐτήν, Mrk.10:11; of the woman: Mrk.10:12.† (AS)
The KJV translates G3429 in the following manner:
adultery (12x)
Full Thayer's lexicon entry
μοιχάω — moicháō
μοιχάω, μοίχω: to have unlawful intercourse with another's wife, to commit adultery with: τινα. in Biblical Greek middle μοιχωμαι, to commit adultery: of the man, Mat 5:32 b (yet WH brackets); (yet not WH marginal reading), 9b (R G L Tr brackets WH marginal reading); ἐπ' αὐτήν, commits the sin of adultery against her (i. e., that has been put away), Mar 10:11; of the Woman, Mat 5:32 a (where L T Tr WH μοιχευθῆναι for μοιχᾶσθαι); Mar 10:12. (the Sept. for נָאַף, Jer 3:8; Jer 5:7; Jer 9:2, etc.; in Greek writers, figuratively in the active, with τήν θάλασσαν, to usurp unlawful control over the sea, Xenophon, Hell. 1, 6, 15; τό λεχθεν, to falsify, corrupt, Aelian n. a. 7, 39.)
4 occurrences
Matthew (2), Mark (2)