This first one, lexico.com, is a great site on this subject, though a LOT of the words they list are never used by anyone but dilettantes (from the French and, surprisingly, not listed there).
20-best-foreign-loanwords-in-english
english-words-from-other-languages
something-borrowed-english-words-with-foreign-origins
english-words-from-other-languages
words-you-use-without-realizing-theyre-foreign-language
foreign-phrases-that-we-use-every-day-in-english
And on the flip side, here's English words and phrases used by foreigners.
