The term 'WORD ON U.S. COINS' can be broken down into three crossword solutions: UNUM (4 letters), TRUST (5 letters), and GOD (3 letters). UNUM is the Latin word for 'ONE' and appears on the United States ONE-cent coin. TRUST is a word that appears on many coins, including the United States quarter, and is meant to signify the TRUST of the people in their government. GOD is a word that appears on many coins, including the United States dime, and is meant to represent the belief in a higher power.