Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
Stressed is Desserts spelled backwards.
130
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
The word "listen" contains the same letters as "silent."
135
A group of ferrets is called a business.
6