FOAMS is an acronym for a group of substances that are used in a variety of applications. FROTHS is a six letter word meaning to create a mass of small bubbles, usually by stirring or beating. SPUMES is another six letter word meaning a frothy mass of bubbles formed on the surface of a liquid. Lastly, LATHERS is a seven letter word meaning to spread a soapy foam over something, usually as part of a cleaning process. Together, these three words describe the various forms of foams and their uses.