The term 'WORD ON A DOLLAR BILL' can be broken down into six crossword solutions: ONE (3 letters), UNUM (4 letters), NOVUS (5 letters), ORDO (4 letters), DEBTS (5 letters), and SERIES (6 letters). The solution ONE is a reference to the word 'ONE' printed on the front of all US dollar bills. UNUM is a reference to the Latin phrase 'E Pluribus Unum' which translates to 'Out of Many, ONE' and is also printed on the front of US dollar bills. NOVUS is a reference to the phrase 'Novus Ordo Seclorum' which translates to 'New Order of the Ages' and is printed on the back of US dollar bills. ORDO is a reference to the same phrase as NOVUS, 'Novus Ordo Seclorum'. DEBTS is a reference to the phrase 'Thesaurus Note' which is printed on the back of US dollar bills and translates to 'This note is legal tender for all debts, public and private'. Finally, SERIES is a reference to the SERIES year printed on the back of US dollar bills.