πταίω ptaíō

Meaning

to trip, i.e. (figuratively) to err, sin, fail (of salvation)

In the King James Version: fall, offend, stumble

Derivation: a form of G4098 (πίπτω);

Where it is used

• Romans 11:11 I ask then, did they stumble so as to fall beyond recovery? Certainly not! However, because of their trespass, salvation has come to the Gentiles to make Israel jealous.
• James 2:10 Whoever keeps the whole law but stumbles at just one point is guilty of breaking all of it.
• James 3:2 We all stumble in many ways. If anyone is never at fault in what he says, he is a perfect man, able to control his whole body.
• 2 Peter 1:10 Therefore, brothers, strive to make your calling and election sure. For if you practice these things you will never stumble,