Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
The word 'mortgage' comes from a French law term that means 'death pledge'.
14
Stressed is Desserts spelled backwards.
130
Anuptaphobia is the fear of staying single.
11
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634