Followup and Outcome

Followup noun - A piece of work that exploits or builds on earlier work.

Outcome and followup are semantically related. in result topic. In some cases you can use "Outcome" instead a noun "Followup", when it comes to topics like effect.

Outcome noun - A condition or occurrence traceable to a cause.

Followup and outcome are semantically related. You can use "Followup" instead a noun "Outcome".