UPDATE words set word = REPLACE(word,'á','a')
UPDATE words set word = REPLACE(word,'í','i')
UPDATE words set word = REPLACE(word,'é','e')
UPDATE words set word = REPLACE(word,'ú','u')
UPDATE words set word = REPLACE(word,'á','a')
UPDATE words set word = REPLACE(word,'ó','o')
https://www.w3resource.com/mysql/string-functions/mysql-replace-function.php
Replace NEWLINE with SPACE
UPDATE words SET origin = REPLACE(origin, '\r\n', ' ')
If it doesn't replace anything, use '\n' instead of '\r\n'.
