Letters that make Fed
d, e, f are letters that make 'Fed'
feds is a word created by adding a letter to 'Fed'
2 possible definitions for 'Fed'
Under this definition, fed is a noun and has the following properties:
Federal Reserve, FRS, Federal Reserve System have the same meaning as 'Fed'
'Fed' can be a type of central bank.
Federal Reserve Bank, reserve bank, national bank, member bank are members of 'Fed'.
"the Fed seeks to control the United States economy by raising and lowering short-term interest rates and the money supply"
Under this definition, fed is a noun and has the following properties:
federal official, Federal have the same meaning as 'Fed'
'Fed' can be a type of agent, federal agent.