In lang=en terms the difference between slew and ditch
is that
slew is to skid while
ditch is to throw into a ditch.
As nouns the difference between slew and ditch
is that
slew is (us) a large amount or
slew can be the act, or process of slaying while
ditch is or
ditch can be a trench; a long, shallow indentation, as for irrigation or drainage.
As verbs the difference between slew and ditch
is that
slew is (nautical) to rotate or turn something about its axis or
slew can be (
slay) while
ditch is or
ditch can be to discard or abandon.