• Accumulate
• Accumulate, as bank interest
• Accumulate, as interest
• Add up
• Amass
• Build up
• Build up, as interest
• Come about as a natural growth
• Gather
• Gather over time
• Gather, as interest
• Grow
• Grow by addition
• Grow, as capital
• Grow, as interest
• Increase
• Increase gradually
• Increase, as interest
• Mount up
• Pile up
• Pile up, as interest
• Recognize as debt: Law
• What bank deposits do, normally