canal (n.)
- aqueduct
- arroyo
- bed
- bottleneck
- canalization
- chamfer
- channel
- chisel
- conduit
- course
- crack
- crimp
- culvert
- cut
- dado
- defile
- dike
- ditch
- duct
- entrenchment
- fistula
- flume
- flute
- fosse
- furrow
- gash
- goffer
- gouge
- groove
- gulch
- gully
- gutter
- ha-ha
- headrace
- isthmus
- kennel
- meatus
- moat
- narrow
- narrows
- neck
- nullah
- ostium
- oviduct
- pass
- pleat
- plow
- pore
- rabbet
- race
- rifle
- runnel
- rut
- salpinx
- score
- scratch
- slit
- sluice
- spillway
- strait
- streak
- striate
- swash
- tailrace
- throat
- trench
- trough
- ureter
- urethra
- vagina
- vas
- vessel
- wadi
- watercourse
- waterway
- waterworks
- wrinkle
canal (v.)
- bed
- bottleneck
- canalize
- carve
- chamfer
- channel
- chisel
- corrugate
- course
- crack
- crimp
- cut
- dado
- defile
- dike
- ditch
- duct
- engrave
- flute
- furrow
- gash
- goffer
- gouge
- groove
- gutter
- incise
- kennel
- narrow
- neck
- pass
- pleat
- plow
- pore
- rabbet
- race
- rifle
- rut
- score
- scratch
- slit
- sluice
- streak
- striate
- swash
- throat
- trench
- vas
- wrinkle
