COOPERATE' (3 letters) The term 'USE JOINTLY' can be summarized by two crossword solutions: SHARE (5 letters) and COOPERATE (3 letters). This phrase implies that two or more people are working together to achieve a common goal. It suggests that the individuals involved are willing to work together, pooling their resources and knowledge in order to accomplish something. The terms SHARE and COOPERATE are often used interchangeably, as they both imply a sense of collaboration and mutual support.