jackknife

Words with a similar base: jackknife

'jackknife'

[clasp_knife.n.01] as in: a large knife with one or more folding blades

'jackknife'

[jackknife.n.02] as in: a dive in which the diver bends to touch the ankles before straightening out

'jackknife'

[jackknife.v.01] as in: dive into the water bending the body at the waist at a right angle, like a jackknife