[ksaj]

Could you not have at least Googled the word before speaking against it?

https://www.google.com/search?q=stagi

There are a lot of genuine hits for stagi.

[omneity]

those are either family or brand names. I don’t see it used as a common word in any of the results.

[ksaj]

Proper nouns are words. That answers the prompt, right? There was no mention of "common" in the prompt. If there was, the list of words I got with the same prompt on ChatGPT would have been a lot shorter.