The term PART OF IRA can be broken down into three crossword solutions: RET (3 letters), ARMY (4 letters), and ACCT (4 letters). RET stands for 'RETIREMENT, ' which is a type of IRA that allows individuals to save money for RETIREMENT. ARMY stands for 'Individual RETIREMENT ACCOUNT, ' which is an ACCOUNT that allows individuals to save money for RETIREMENT without paying taxes on the contributions or earnings until the money is withdrawn. ACCT stands for 'ACCOUNT, ' which is the financial institution where the IRA is held.