Contradiction with Psalms 5:9
While Psalms 10:8 describes the wicked waiting secretly for the innocent, Psalms 5:9 speaks of the wicked not being able to hide their intentions as there is no faithfulness in their mouth.
Psalms 5:9: For [there is] no faithfulness in their mouth; their inward part [is] very wickedness; their throat [is] an open sepulchre; they flatter with their tongue. [faithfulness: or, stedfastness] [their mouth: Heb. his mouth, that is, the mouth of any of them] [very...: Heb. wickednesses]
Contradiction with Proverbs 12:2
Psalms 10:8 describes the wicked doing harm to the innocent, while Proverbs 12:2 suggests that the good obtain favor from the Lord, indicating divine protection rather than victimization.
Proverbs 12:2: A good [man] obtaineth favour of the LORD: but a man of wicked devices will he condemn.
Contradiction with Proverbs 11:8
Psalms 10:8 suggests the innocent suffer at the hands of the wicked, while Proverbs 11:8 denotes that the righteous are delivered from trouble, indicating a divine intervention.
Proverbs 11:8: The righteous is delivered out of trouble, and the wicked cometh in his stead.
Contradiction with Isaiah 3:10
Psalms 10:8 depicts the wicked succeeding in their plans, whereas Isaiah 3:10 assures that it shall be well with the righteous, and they shall eat the fruit of their doings, suggesting a positive outcome for the just.
Isaiah 3:10: Say ye to the righteous, that [it shall be] well [with him]: for they shall eat the fruit of their doings.