Come like a thunderbolt and Pop up

Pop up and come like a thunderbolt are semantically related. In some cases you can replace term "Pop up" with "Come like a thunderbolt", this terms are similar.

Pop up verb - Appear suddenly or unexpectedly.

Come like a thunderbolt and pop up are semantically related. Sometimes you can replace phrase "Come like a thunderbolt" with "Pop up", this terms are similar.