Term: government bond: a bond that is an IOU of the United States Treasury; considered the safest security in the investment world
Broader: bond: a certificate of debt (usually interest-bearing or discounted) that is issued by a government or corporation in order to raise money; the issuer is required to pay a fixed sum annually until maturity and then a fixed sum to repay the principal | Unrelated: morality play: an allegorical play popular in the 15th and 16th centuries; characters personified virtues and vices
Broader: bond: a certificate of debt (usually interest-bearing or discounted) that is issued by a government or corporation in order to raise money; the issuer is required to pay a fixed sum annually until maturity and then a fixed sum to repay the principal | Unrelated: psychodid: a fly of the family Psychodidae