Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
Anuptaphobia is the fear of staying single.
11
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
A group of pugs is called a grumble.
10
There are only four words in the English language which end in “dous”:
tremendous, horrendous, stupendous, and hazardous.
tremendous, horrendous, stupendous, and hazardous.
175
The word "impossible" dropped in use by 50% over the course of the 20th century
5