I constantly spotlight starting both and can’t remember what to type as a shortcut for each. Let’s see X…O… for “Zojo” and Xcode starts with…um, oh, X again.
No, that’s just you. 
Darn! Where can I upgrade my brain OS?
Autocorrect “fixes” Xojo to Xcode for me too often…
So, it’s not just you
Can’t say that I do but on a related note, I type the word Xojo all day long and I’ll admit the X and Z keys are just tooo close. Zojo happens.
And on Internet, searching for Xojo leads to results for Dojo 
Nope
Here’s an interesting piece of trivia, when we were trying to name the product 16 years ago, one of the options was “CodeX”.
I would have liked Codex. It has a gamer feel to it.
good that we have a QWERTZ keyboard in Germany.
Ha! I would have loved to have to type CodeX and Xcode.
Nope! Because I read those two words backwards (but only those two)