The term MORTAR GO-WITH is a crossword solution that is related to the term PESTLE, which is a 6 letter word. Pestle is a tool used in cooking and pharmacy for grinding and mixing substances into a fine paste or powder. Mortar is a bowl, usually made of hard wood, stone, or ceramic, that is used with the pestle to grind and mix ingredients. Together, the mortar and pestle are used to create a variety of mixtures, such as sauces, pastes, and powders.