Go off at a tangent and Go away

Go away and go off at a tangent are semantically related. In some cases you can replace term "Go away" with "Go off at a tangent", this terms are similar.

Go away verb - Move away from a place into another direction.

Go off at a tangent and go away are semantically related. Sometimes you can replace phrase "Go off at a tangent" with "Go away", this terms are similar.