Keep up and Shoring up

Keep up verb - To continue to operate or to meet one's needs.

Shoring up and keep up are semantically related In some cases you can replace term "Shoring up" with "Keep up", this phrasal verbs are similar.

Shoring up noun - The act of propping up with shores.

Keep up and shoring up are semantically related in hold up topic. Sometimes you can use "Keep up" instead a verb "Shoring up".