The term 'SORT OF MODEL' can be solved by the crossword solution SCALE, which is a five-letter word. A SCALE is a device used to measure or compare the size of objects. It is also used to measure weight, length, and other physical properties. In the context of modeling, a SCALE model is a representation of an object that is smaller or larger than the actual object. SCALE models are often used in engineering, architecture, and other fields.