abstract
apex
background
basic
billow
billowy
criss cross
curl
curvy
density
edgy
flicker
flow
fluctuate
flutter
geometric
geometrical
geometry
line
oscillate
parallel
pattern
pointed
pointy
repeatable
repetitive
ripple
seamless
serrated
sharp
shrill
simple
sine
stripe
surge
tileable
undulate
wave
waving
wavy
zig zag
zigzag