The word "mushes" has a few different synonyms, depending on the context in which it is being used. When referring to a type of food, the word "porridge" can be used. If someone is describing a feeling of being overwhelmed or stuck in a situation, the phrase "feeling bogged down" could be used. Alternatively, the words "slogs" or "trudges" could be used to describe the act of walking through thick, muddy terrain. Lastly, the word "softens" could be used when describing how something becomes mushy in texture. It's important to find the right synonym that matches the context and tone of the sentence.