agitate
beat
beat up
boss
churn
churn up
coarsen
convulse
depolish
disarrange
discompose
disquiet
disturb
engrail
enrough
excite
ferment
flurry
fret
gnarl
grain
granulate
horripilate
knob
paddle
perturb
perturbate
pimple
rile
ripple
roil
rough
rough up
ruffle
ruffled
rumple
shake
shake up
smooth
stir
stir up
stud
swirl
tooth
trouble
upset
whip
whip up
change surface
roughened
roughening
roughens
polish