Yes! “The Greeks used the term barbarian for all non-Greek-speaking people, including the Egyptians, Persians, Medes and Phoenicians, emphasizing their otherness. According to Greek writers, this was because the language they spoke sounded to Greeks like gibberish represented by the sounds “bar…bar…;” the alleged root of the word bárbaros, which is an echomimetic or onomatopoeic word.”

https://en.wikipedia.org/wiki/Barbarian

Yes!

"The word utopia was coined in 1516 from Ancient Greek by the Englishman Sir Thomas More for his Latin text Utopia. It literally translates as “no place”, "

From https://en.wikipedia.org/wiki/Utopia