Pump up and Start up

Pump up verb - To cause a pleasurable stimulation of the feelings of.

Start up and pump up are semantically related in activate topic. In some cases you can use "Start up" instead a verb "Pump up", when it comes to topics like energize.

Start up verb - Get going or set in motion.

Pump up and start up are semantically related in activate topic. Sometimes you can use "Pump up" instead a verb "Start up", if it concerns topics such as energize.