I don’t think any prophets like Buddha, Krishna, Zoroaster,Moses, Socrates, Jesus gave any specific and meaningful name to the religion from G-d; they left it to be named by Muhammad- the Last of the Prophets, in status,as it was revealed to him from G-d and named by Him and is generic for any of them individually and collectively.
Why is Trinitarianism considered a violation of monotheism?
Quran is very clear about Oneness of G-d:[112:1]In the name of Allah, the Gracious, the Merciful.
[112:2]Say, ‘He is Allah, the One;
[112:3]‘Allah, the Independent and Besought of all.
[112:4]‘He begets not, nor is He begotten;
[112:5]‘And there is none like unto Him.’
There is no ambiguity in it.