aqueduct
canal
canalization
canalize
carve
chamfer
channel
chisel
corrugate
crack
crimp
cut
dado
dike
ditch
engrave
entrenchment
flute
fosse
furrow
gash
gouge
groove
gully
gutter
ha-ha
incise
kennel
moat
pleat
plow
rabbet
rifle
rut
score
scratch
slit
streak
striate
sunk fence
trench
trough
wrinkle
gauffer
busy bee
eager beaver
flounce
frill
furbelow
iron
live wire
ruffle
sharpie
sharpy
smoothing iron
wave
goffered
goffering
goffers