The term 'replace' can refer to a variety of actions, such as reconstructing, reestablishing, altering, fixing, filling, disturbing, displacing, compensating, putting back, and supplanting. Reconstructing (11 letters) means to build something again, often from its component parts. Reestablishing (11 letters) means to restore something to its former state. Altering (5 letters) means to change something in some way. Fixing (3 letters) means to make something right or put it in working order. Filling (4 letters) means to occupy a space with something. Disturbing (7 letters) means to interfere with something or cause disruption. Displacing (8 letters) means to move something from its original position. Compensating (10 letters) means to make up for something by providing an equivalent. Putback (7 letters) means to return something to its original place. Supplanting (8 letters) means to replace something with something else.