PASTE' The crossword solution for the term PASTE PARTNER is CUT, which is a three-letter word. CUT is an action that is often used in conjunction with PASTE, as they are both necessary steps in many crafting and art projects. CUT is the first step in the process, where the desired shape or size of the material is achieved, and then PASTE is used to adhere the pieces together. Therefore, CUT is the perfect partner for PASTE.