The term 'FISH FOWL' is composed of two words, each with three letters. The first word, 'FISH', refers to a group of aquatic animals that live in water and breathe using gills. They are cold-blooded and have scales and fins. The second word, 'FOWL', refers to a group of birds that are typically found on land and breathe using lungs. They are warm-blooded and have feathers and wings. Together, the two words refer to a broad range of animals that live in both water and on land.