Money market accounts and CDs are similar to savings accounts, but there are some important differences. While money market accounts pay interest like savings accounts, they typically offer check-writing and debit card options. You can see what these kinds of accounts have to offer in our round-up of the best money market accounts and rates. CDs offer higher rates than savings accounts, but require you to keep your savings in the bank for months or years. Time commitments vary, but you might have to pay a penalty if you take out your money early.