Judges 2:3

Wherefore also I said, I will not drive them out from before you, - but they shall be your adversaries, and, their gods, shall become unto you a snare.

Numbers 33:55

But if ye do not dispossess the inhabitants of the land from before you, then shall it be. that they whom ye leave remaining of them will become pricks in your eyes, and thorns in your sides, and will harass you, concerning the land, wherein, ye are settling down.

Joshua 23:13

know, that Yahweh your God will no further drive out these nations from before you, - but they will become unto you a snare and a hook, and a goad in your sides, and thorns in your eyes, until ye have perished from off this goodly soil, which Yahweh your God hath given unto you.

Deuteronomy 7:16

and thou shalt devour all the peoples whom, Yahweh thy God, delivering up unto thee, thine eye shall not look with pity upon them, neither shalt thou serve their gods, for a snare, would it be unto thee.

Judges 2:21

I also, will no further dispossess a man from before them, - from among the nations which Joshua left remaining, when he died;

Judges 3:6

and took their daughters to be their wives, their own daughters moreover, gave they unto their sons, and they served their gods.

Psalm 106:36

Yea they served their idols, and they became to them a snare:

Exodus 23:33

they shall not dwell in thy land, lest they cause thee to sin against me, - for thou mightest serve their gods, verily! it would become to thee a snare!

Exodus 34:12

Take heed to thyself, Lest thou solemnise a covenant with the inhabitant of the land, whereupon, thou, art about to enter, - Lest he become a snare in thy midst;

1 Kings 11:1-7

But, King Solomon, loved many foreign women, together with the daughter of Pharaoh, - women of the Moabites, Ammonites, Edomites, Zidonians, Hittites:

Treasury of Scripture Knowledge

Summary

Wherefore I also said, I will not drive them out from before you; but they shall be as thorns in your sides, and their gods shall be a snare unto you.

Bible References

I also said

Judges 2:21
I also, will no further dispossess a man from before them, - from among the nations which Joshua left remaining, when he died;
Numbers 33:55
But if ye do not dispossess the inhabitants of the land from before you, then shall it be. that they whom ye leave remaining of them will become pricks in your eyes, and thorns in your sides, and will harass you, concerning the land, wherein, ye are settling down.
Joshua 23:13
know, that Yahweh your God will no further drive out these nations from before you, - but they will become unto you a snare and a hook, and a goad in your sides, and thorns in your eyes, until ye have perished from off this goodly soil, which Yahweh your God hath given unto you.

Their gods

Judges 3:6
and took their daughters to be their wives, their own daughters moreover, gave they unto their sons, and they served their gods.
Exodus 23:33
they shall not dwell in thy land, lest they cause thee to sin against me, - for thou mightest serve their gods, verily! it would become to thee a snare!
Exodus 34:12
Take heed to thyself, Lest thou solemnise a covenant with the inhabitant of the land, whereupon, thou, art about to enter, - Lest he become a snare in thy midst;
Deuteronomy 7:16
and thou shalt devour all the peoples whom, Yahweh thy God, delivering up unto thee, thine eye shall not look with pity upon them, neither shalt thou serve their gods, for a snare, would it be unto thee.
1 Kings 11:1
But, King Solomon, loved many foreign women, together with the daughter of Pharaoh, - women of the Moabites, Ammonites, Edomites, Zidonians, Hittites:
Psalm 106:36
Yea they served their idols, and they became to them a snare:

General references

Deuteronomy 6:19
to thrust out all thine enemies from before thee, - As spake Yahweh.
Deuteronomy 20:18
lest they teach you to do, according to all their abominations, which they have done unto their gods, - and so ye sin against Yahweh your God.
Deuteronomy 28:43
The sojourner who is in thy midst, shall mount up above thee higher and higher, - whereas, thou, shalt come down lower and lower:
Judges 2:21
I also, will no further dispossess a man from before them, - from among the nations which Joshua left remaining, when he died;
1 Samuel 8:8
According to all the doings which they have done, from the day I brought them up out of Egypt, even until this day, in that they have forsaken me, and served other gods, so, are they doing even unto thee.