Romans 1:16-17 NASB
16 For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek. 17 For in it the righteousness of God is revealed from faith to faith; as it is written, “But the righteous man shall live by faith.”
trust chasah – to trust, to hope, to make someone a refuge. Nesting under God’s wings. Assured reliance on the character, strength or truth of someone or something; a basis of reliance, faith or hope; confident hope; a property interest held by one person for the benefit of another; something entrusted to one to be cared for in the interest of another; to place confidence; to permit to stay or go or to do something without fear or misgiving; to rely on or on the truth of; believe.
believe aman – to be firm, stable, established, to consider trustworthy.