The term 'WORD ON A DOLLAR' can be broken down into four crossword solutions: ONE (3 letters), ORDO (4 letters), GOD (3 letters), and SERIES (6 letters). The first solution, ONE, is a reference to the phrase 'In GOD We Trust, ' which appears on all US currency. ORDO is a Latin word meaning 'ORDER, ' which is a reference to the fact that US currency is printed in a specific ORDER. GOD is a reference to the phrase 'In GOD We Trust, ' which appears on all US currency. Finally, SERIES is a reference to the fact that US currency is printed in a specific SERIES of denominations.