The term 'boil' can refer to a variety of processes and states. FROTH (5 letters) is the process of forming bubbles on the surface of a liquid, SMOLDER (7 letters) is the process of burning without flame, EVAPORATE (9 letters) is the process of a liquid turning into a gas, EFFERVESCE (10 letters) is the process of releasing bubbles of gas, CHURN (5 letters) is the process of stirring or agitating a liquid, BUBBLE (6 letters) is a round shape formed by air or gas in a liquid, FURUNCLE (8 letters) is a medical term for a boil, CODDLE (6 letters) is the process of treating someone with excessive care and attention, POACH (5 letters) is the process of cooking something in hot liquid, BREW (4 letters) is the process of making beer or tea, STEW (4 letters) is the process of slowly cooking food in liquid, FLARE (5 letters) is the process of burning brightly, ANGER (5 letters) is an intense emotion, FUME (4 letters) is the process of emitting smoke or vapor, SCALD (5 letters) is the process of heating a liquid to just below boiling point, SEARED (6 letters) is the process of browning the surface of food, SEETHE (6 letters) is the process of boiling something vigorously, and SIMMER (6 letters) is the process of cooking something in liquid at a low temperature.