Assalaamu'alaikum. please verify these types of stops, are they authentic?
Waqfun-Nabi - The stop of the Prophet
Waqfu-Jibreel - The stop of Jibreel
Waqfu-Ghufraan - Stopping of forgiveness
Even if these are substitute names for established wuqoof, do the names have any basis?
Wa alaikum assalaam wa rahmatullahi wa barakatuh
The stops which we study and follow which early scholars laid out for us are those based on the sunnah first of all, which include grammar and meaning, and the end of aayaat. There is no authentic source for the extra types of stop names in the question.
The three type of allowed stops laid out by the early scholars are: Taam, Kaafi, and Hasan.