Synonyms for Watercolor:

n.

caricature, collage, aquatint, cartoon, diptych, bas relief, abstract, doodle, daub. canvas, chalk, airbrush, enamel, brush, fixative, crepe paper, easel, acrylic, crayon. artifact (noun)
watercolour.
painting (noun)
canvas.
watercolor (noun)
watercolour.

v.

creation (verb)
watercolour.

Other synonyms:

enamel. Other relevant words:
airbrush, crayon, daub, chalk, acrylic, caricature, collage, fixative, diptych, canvas, enamel, cartoon, doodle, brush, bas relief, easel, aquatint, abstract.