According to Chapter 88, pages 46-47,
we find out that the proper name for the titan form Eren is in possession of is the Attack Titan.
we do know that Eren's father, Grisha Yeager, consumed the Founding Titan thus combining two titan forms into one. Once Grisha reached the 13-year limit, he forced his son to consume him so that his titan-shifting abilities would pass on to his son. That being said, even though Eren is technically in possession of both the Founding Titan and Attack Titan forms, he is still referred to as the Attack Titan.
When he was referred to as the Rogue Titan,
it was not a form they were referring to but rather an alignment. Eren's titan, unlike the other titan-shifters, was aligned with the Eldians on Paradis Island and not with the titan-shifters waging war against them. Think of the temporary name as a way that the Eldians initially distinguished the Attack Titan from the other titan-shifters. Once the Eldians learned the actual name of Eren's titan form, they stopped using Rogue Titan as a descriptor and used Attack Titan instead.
Again, just to be clear, Eren's titan form is called the
And Rogue Titan,
was used only as a means to describe Eren's titan when the Eldians did not know the actual name of Eren's titan form.