1158890 jmdict A [id=1990274]
違える
ちがえる
[1][v1,vt]
  to change; to alter
[2][v1,vt]
  to mistake; to make a mistake
[3][v1,vt]
  to fail to keep (e.g. one's promise)
  [see=2008780・たがえる[1,2]]
[4][v1,vt]
  to sprain (a muscle); to dislocate (e.g. one's neck)