The crossword solution for the term 'PUTS FIZZ INTO' is 'AERATES', which is a 7-letter word. Aeration is the process of introducing air into a liquid or other substance, usually to increase its oxygen content. This process is often used in winemaking and brewing to add carbonation and create a sparkling effect. In addition, aeration can be used to improve the taste of water, reduce odors, and increase the oxygen content of soil.