The term 'Whisper Sweet Nothings' can be represented by three different crossword solutions: COO (3 letters), CNOTE (5 letters) and BILLANDCOO (10 letters). COO stands for Chief Operating Officer, which is a senior executive responsible for managing the day-to-day operations of a company. CNOTE is an abbreviation for a Canadian banknote, which is a form of currency issued by the Bank of Canada. Finally, BILLANDCOO is a combination of the words 'BILL' and 'COO', which could refer to a BILL that needs to be paid by the Chief Operating Officer.