Synonyms and related words :
Photostat, Xerox, clone, copy, counterpart, cube, ditto, double, dupe, duplicate, duplication, facsimile, hectograph, manifold, microcopy, microfilm, mimeo, mimeograph, model, multigraph, multiply by three, quadruplicate, reduplicate, repetition, replica, replicate, replication, representation, reproduce, reproduction, second carbon, stat, tern, ternal, ternary, ternate, three-ply, threefold, trace, transcribe, treble, trilogic, trinal, trine, triple, triplex, triplication, triplicity