Keyed up and Work up

Work up and keyed up are semantically related. in encourage topic. In some cases you can use "Work up" instead a verb "Keyed up", when it comes to topics like excite, stimulate, motivate, incite.

Work up verb - To produce or bring about especially by long or repeated effort.

Keyed up and work up are semantically related. Sometimes you can replace term "Keyed up" with "Work up", this phrasal verbs are similar.