Verses with the word stumblingblock in the Old Testament (6 verses):

Leviticus 19:14
Thou shalt not curse the deaf, nor put a stumblingblock before the blind, but shalt fear thy God: I am the LORD.

Isaiah 57:14
And shall say, Cast ye up, cast ye up, prepare the way, take up the stumblingblock out of the way of my people.

Ezekiel 7:19
They shall cast their silver in the streets, and their gold shall be removed: their silver and their gold shall not be able to deliver them in the day of the wrath of the LORD: they shall not satisfy their souls, neither fill their bowels: because it is the stumblingblock of their iniquity.

Ezekiel 14:3
Son of man, these men have set up their idols in their heart, and put the stumblingblock of their iniquity before their face: should I be enquired of at all by them?

Ezekiel 14:4
Therefore speak unto them, and say unto them, Thus saith the Lord GOD; Every man of the house of Israel that setteth up his idols in his heart, and putteth the stumblingblock of his iniquity before his face, and cometh to the prophet; I the LORD will answer him that cometh according to the multitude of his idols;

Ezekiel 14:7
For every one of the house of Israel, or of the stranger that sojourneth in Israel, which separateth himself from me, and setteth up his idols in his heart, and putteth the stumblingblock of his iniquity before his face, and cometh to a prophet to enquire of him concerning me; I the LORD will answer him by myself: