Словарь синонимов английского языка - supplement

(n) 1. addendum, addition, appendix, epilogue, end-piece, postscript, appendage, extension, continuation, adjunct, annexe, appurtenance, accessory, codicil, insert, sequel; supplementation; Technical suppletion: The later version includes the 1909 supplement. -(v) 2. add (on or to), extend, augment; complement: Various scholars supplemented the earlier work with their own notes and comments. He supplements his income by working at a restaurant.