tracing (n.)
- carbon
- cartoon
- charcoal
- chiaroscuro
- companion
- copy
- crayon
- delineation
- design
- diagram
- doodle
- double
- draft
- drawing
- duplicate
- duplication
- effigy
- fellow
- fiche
- graph
- icon
- idol
- image
- likeness
- manifold
- match
- mate
- microfiche
- miniature
- model
- pastel
- pen-and-ink
- photograph
- picture
- portrait
- recording
- reduplication
- reflection
- reproduction
- resemblance
- rubbing
- semblance
- shadow
- silhouette
- similitude
- simulacrum
- sinopia
- sketch
- study
- tenor
- trace
- transcript
- transcription
- transfer
- twin
- vignette
- xerography