abstract
amplitude
bent
billow
billowy
black
chevron
crisscross
curly
curvy
distortion
dividing
element
eq
equalizer
flex
frequency
geometric
graphic
jagged
line
monochrome
parallel
pattern
peak
pulsating
pulse
separator
serrated
set
shape
sine
sinious
snaky
squiggle
squiggly
undulating
wave
waveform
wavelike
wavy
wiggle
wiggly
winding
wriggle
writhing
zigzag