Jump off and Pitch in

Jump off verb - Jump down from an elevated point.

Pitch in and jump off are semantically related. In some cases you can replace term "Pitch in" with "Jump off", this phrasal verbs are similar.

Pitch in verb - To make a donation as part of a group effort.

Jump off and pitch in are semantically related. Sometimes you can replace term "Jump off" with "Pitch in", this phrasal verbs are similar.