Synonyms and related words :
Photostat, Xerox, clone, copy, ditto, double, dupe, duplicate, facsimile, geminate, hectograph, imitate, ingeminate, manifold, microcopy, microfilm, mimeo, mimeograph, multigraph, multiply by two, quadruplicate, redouble, reduplicate, repeat, reproduce, stat, trace, transcribe, triplicate, twin