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

Numbers 30:8
But if her husband disallowed her on the day that he heard it; then he shall make her vow which she vowed, and that which she uttered with her lips, wherewith she bound her soul, of none effect: and the LORD shall forgive her.

2 Chronicles 34:22
And Hilkiah, and they that the king had appointed, went to Huldah the prophetess, the wife of Shallum the son of Tikvath, the son of Hasrah, keeper of the wardrobe; (now she dwelt in Jerusalem in the college:) and they spake to her to that effect.

Psalms 33:10
The LORD bringeth the counsel of the heathen to nought: he maketh the devices of the people of none effect.

Isaiah 32:17
And the work of righteousness shall be peace; and the effect of righteousness quietness and assurance for ever.

Jeremiah 48:30
I know his wrath, saith the LORD; but it shall not be so; his lies shall not so effect it.

Ezekiel 12:23
Tell them therefore, Thus saith the Lord GOD; I will make this proverb to cease, and they shall no more use it as a proverb in Israel; but say unto them, The days are at hand, and the effect of every vision.