NT-EPISTLES.filter - mkjv toil:

mkjv@2Corinthians:11:27 @ [I have been] in hardship and toil; often in watchings; in hunger and thirst; often in fastings; in cold and nakedness;

mkjv@1Thessalonians:2:9 @ For, brothers, you remember our labor and toil. [For] laboring night and day in order not to put a burden on any one of you, we preached the gospel of God to you.