Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Anuptaphobia is the fear of staying single.
11
There are only four words in the English language which end in “dous”:
tremendous, horrendous, stupendous, and hazardous.
tremendous, horrendous, stupendous, and hazardous.
175
Floccinaucinihilipilification, the declaration of an item being useless, is the longest non-medical term in the English language.
125
A group of ferrets is called a business.
6