The Bible is the world's most widely read book, yet many of its most important words remain misunderstood or glossed over. Whether you are new to the faith or have attended church for decades, revisiting these foundational words can deepen your relationship with Scripture and with God.
Here are ten words that form the bedrock of Christian theology — each one a window into the heart of God.
Grace is perhaps the most beautiful word in the Christian vocabulary. It means unmerited favour — love that is freely given, not earned. It is the very foundation of salvation: we are not saved by our goodness, but by God's grace extended to us through Jesus Christ.
A covenant is more than a contract. It is a sacred, binding promise — a relationship sealed by oath. Throughout Scripture, God makes covenants with Noah, Abraham, Moses, David, and ultimately with all humanity through Jesus. Understanding covenant is essential to understanding the Bible's grand story.
Redemption means to buy back or to set free by paying a price. In the ancient world, slaves could be redeemed by someone paying their debt. The New Testament uses this image to describe what Christ did for us — He paid the price for our sin, setting us free from its power.
Righteousness describes being in right relationship with God — living in alignment with His character and commands. In the New Testament, it takes on the additional meaning of being declared righteous before God, not because of our own merit, but because of Christ's.
If justification is the moment we are declared right with God, sanctification is the ongoing process of being made holy. It is the lifelong journey of growing more like Christ — being transformed from the inside out by the Holy Spirit.
Atonement is the restoration of broken relationship between God and humanity. The Old Testament sacrificial system pointed toward it; Christ's death on the cross accomplished it. The word itself is uniquely English — meaning to bring into "at one" — and beautifully captures the reconciling work of God.
Faith in the Bible is not mere belief in a set of facts. It is active trust — a placing of confidence in God so complete that it shapes how you live. The great Hebrews 11 chapter shows faith in action through the lives of Abel, Noah, Abraham, Moses, and many others.
Gospel simply means "good news." The good news is this: that God, out of love, sent His Son to live a perfect life, die in our place, rise again, and offer forgiveness and new life to all who trust in Him. It is the central message of the entire Bible.
Repentance is not merely feeling sorry. The Greek word metanoia means a complete change of mind — a turning from one direction to another. True repentance involves recognising our sin, genuinely grieving over it, and actively turning toward God. It is the gateway to transformation.
Often translated as "peace," shalom is far richer than the absence of conflict. It describes a state of wholeness, completeness, and harmony — in our relationship with God, with others, and within ourselves. It is God's ultimate vision for creation, and the destination toward which all Scripture points.
Why Words Matter
The theologian Karl Barth once said that theology is fundamentally about the Word — and he was right. The words we use to describe God shape how we understand Him, relate to Him, and live for Him. When we deepen our vocabulary of faith, we deepen our faith itself.
Why not test yourself on some of these words in our game? You might be surprised how much a scramble can sharpen your recall!
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