Anuptaphobia is the fear of staying single.
11
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
A “butt” was a Medieval unit of measure for wine. Technically, a 'buttload' of wine is about 475 liters, or 126 gallons.
10
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
The word "impossible" dropped in use by 50% over the course of the 20th century
5