Liquid and solid are two of the three states of matter. Liquid is a state of matter that has no fixed shape but takes the shape of its container, while solid is a state of matter that has a fixed shape and volume. The crossword solutions for the term 'liquid and solid' are 'gases' and 'solids'. Gases are a state of matter that have no fixed shape or volume and can expand to fill any container. Solids are a state of matter that have a fixed shape and volume and cannot be compressed.