The term 'becomes inedible' can be summarized by two crossword solutions: ROTS (4 letters) and SPOILS (6 letters). ROTS is a verb meaning to decay or decompose, usually due to the action of bacteria, fungi, or other microorganisms. SPOILS is a verb meaning to make something bad or unacceptable, usually through the action of time or neglect. Both words refer to the process of food becoming inedible, either through natural decay or through neglect.