Chin up and Get up

Chin up verb - Raise oneself while hanging from one's hands until one's chin is level with the support bar.

Get up and chin up are semantically related. In some cases you can use "Get up" instead a verb "Chin up".

Get up verb - To leave one's bed.

Chin up and get up are semantically related. Sometimes you can replace term "Chin up" with "Get up", this phrasal verbs are similar.