Followup
Part of speech: noun
Definition: A follow-up
Follow-up
Part of speech: noun
Definition: A subsidiary action taken as the result of an event.A posted message on Usenet, etc. in reply to a previous one.
Followup as a noun is a follow-up while Follow-up as a noun is a subsidiary action taken as the result of an event.
Part of speech: noun
Definition: A follow-up
Part of speech: noun
Definition: A subsidiary action taken as the result of an event.A posted message on Usenet, etc. in reply to a previous one.
We hope you now know whether to use Followup or Follow-up in your sentence.