NET
11 who must be silenced because they mislead whole families by teaching for dishonest gain what ought not to be taught.
Darby
11 who must have their mouths stopped, who subvert whole houses, teaching things which ought not [to be taught] for the sake of base gain.
KJV
11 Whose mouths must be stopped, who subvert whole houses, teaching things which they ought not, for filthy lucre's sake.