diagram (n.)
- alphabet
 - art
 - blueprint
 - cartoon
 - catalog
 - chalk
 - character
 - characterization
 - charcoal
 - chart
 - chiaroscuro
 - choreography
 - color
 - copy
 - crayon
 - crosshatch
 - daub
 - delineation
 - demonstration
 - depiction
 - design
 - doodle
 - draft
 - drama
 - draw
 - drawing
 - elevation
 - exemplification
 - figuration
 - figure
 - graph
 - hatch
 - hieroglyphic
 - iconography
 - ideogram
 - illustration
 - imagery
 - imaging
 - letter
 - limning
 - logogram
 - logograph
 - map
 - notation
 - outline
 - paint
 - pastel
 - pattern
 - pen-and-ink
 - pencil
 - picture
 - plan
 - plot
 - portraiture
 - portrayal
 - presentment
 - printing
 - profile
 - projection
 - realization
 - register
 - render
 - rendering
 - rendition
 - representation
 - rough
 - rub
 - schema
 - scheme
 - score
 - scratch
 - script
 - scumble
 - shade
 - silhouette
 - sinopia
 - skeleton
 - sketch
 - stencil
 - study
 - syllabary
 - symbol
 - tablature
 - table
 - tint
 - trace
 - tracing
 - vignette
 - write
 - writing
 
diagram (v.)
- art
 - blueprint
 - cartoon
 - catalog
 - chalk
 - character
 - characterize
 - charcoal
 - chart
 - color
 - copy
 - crayon
 - crosshatch
 - daub
 - delineate
 - depict
 - design
 - doodle
 - draft
 - draw
 - figure
 - graph
 - hatch
 - letter
 - limn
 - map
 - notate
 - outline
 - paint
 - pattern
 - pencil
 - picture
 - plan
 - plot
 - portray
 - profile
 - register
 - render
 - represent
 - rough
 - rub
 - schematize
 - scheme
 - score
 - scratch
 - script
 - shade
 - silhouette
 - sketch
 - stencil
 - study
 - symbolize
 - table
 - tint
 - trace
 - write