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human
[MCU] Groot's Real Name?

At the end of Infinity War, we see Thor introduce Groot to Steve as "Tree".  Thor clearly likes Steve and holds the Avengers in high regard, and Thor clearly speaks Groot from what we see in the pod.  Given that Rocket has referred to him as "Groot" for the movies and "Groot" is in the credits... what's his real name?  I'm seeing several potentials, but none of them seem 'right'.  Has there been WoG on this one?

* Rocket met Groot before he could speak the language, and just stuck with the nickname even after he learned it was wrong
* Rocket speaks the language well enough to emulate Groot's real name in his own language, which is what we hear
* "Tree" is a decent approximation of Groot's name in english/translation, and Thor is using it out of respect (or because he doesn't feel confident saying the name natively)
* Thor doesn't actually care what Groot's name is, and decided 'tree' was close enough (doubtful given what we see elsewhere)
* Groot has never actually said his name, and may not have one, so other characters are just saying what they think is most appropriate to refer to him as.

In the end, I think we can all agree that Steve has no idea what's going on, and is just trying to run with it.
gpt
I think Thor doesn't care, hes not there to make new friends. In the span of a few days, he has lost everything. He is solely there to kill Thanos, and in the heat of battle probably wasn't too concerned with getting Steve to know Groots name, rather "dont kill that alien, he's with me"