We have two different types of subscriptions - Pro and Add-On.
Think of Pro being like a parent and Add-On like a child and the two can be linked.
The reason someone would get one Pro and one Add-On is that it is a manager and a salesperson that works for the manager and the manager uses the Pro account and the salesperson or assistant uses the Add-On.
Is this what you are wanting to do? if not, please let me know what you want to do.
Technically, the second account you want would need to be created and purchased separately with its own email and username, but you can use the same payment information.
You have both subscriptions on the one username and email. If you do want one parent and one child account, I can create the second account and link it to yours but I would need to know the following:
First and Last Name