Same word as photostat:

Xerox, archetype, carbon, carbon copy, cast, clone, counterfeit, counterpart, ditto, ectype, effigy, ersatz, facsimile, forgery, hard copy, image, impersonation, impression, imprint, likeness, microfiche, mimeograph, miniature, mirror, model, offprint, parallel, pattern, photocopy, photograph, photostat, portrait, print, reflection, replica, replication, representation, reprint, reproduction, rubbings, similarity, simulacrum, simulation, study, tracing, transcript, transcription, type