Spring up and Waking up

Spring up verb - To come to one's attention especially gradually or unexpectedly.

Waking up and spring up are semantically related In some cases you can replace term "Waking up" with "Spring up", this phrasal verbs are similar.

Waking up noun - The act of waking.

Spring up and waking up are semantically related in revive topic. Sometimes you can use "Spring up" instead a verb "Waking up", if it concerns topics such as start again.