The word "impossible" dropped in use by 50% over the course of the 20th century
5
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
A group of ferrets is called a business.
6
The words ‘racecar,’ ‘kayak’ and ‘level’ are the same whether
they are read left to right or right to left (palindromes).
they are read left to right or right to left (palindromes).
120