Strong's #795: astocheo (pronounced as-tokh-eh'-o)
from a compound of 1 (as a negative particle) and stoichos (an aim); to miss the mark, i.e. (figuratively) deviate from truth:--err, swerve.
Thayer's Greek Lexicon:
̓́
astocheō
1) to deviate from, miss (the mark)
Part of Speech: verb
Relation: from a compound of G1 (as a negative particle) and stoichos (an aim)
Usage:
This word is used 3 times:
1 Timothy 1:6: "From which some having swerved have turned aside unto vain jangling;"
1 Timothy 6:21: "Which some professing have erred concerning the faith. Grace"
2 Timothy 2:18: "concerning the truth have erred, saying that the resurrection is past"