NET

20 For if after they have escaped the filthy things of the world through the rich knowledge of our Lord and Savior Jesus Christ, they again get entangled in them and succumb to them, their last state has become worse for them than their first.

Darby

20 For if after having escaped the pollutions of the world through [the] knowledge^D9330 of the Lord and Saviour Jesus Christ, again entangled, they are subdued by these, their last state is worse than the first.

Darby Bible Notes

knowledge - Epignosis, see Note, ch. 1.3.

KJV

20 For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.

Strong's

20 For ^G1063 if^G1487 after they have escaped^G668 the pollutions^G3393 of the world^G2889 through^G1722 the knowledge^G1922 of the Lord^G2962 and^G2532 Saviour^G4990 Jesus^G2424 Christ^G5547, they are^G1707 again^G3825 entangled^G1707 therein^G5125, and^G1161 overcome^{G1096 G2274}, the latter end^G2078 is worse^G5501 with them^G846 than the beginning^G4413.