What do the following words have in common that has nothing to do with their meanings?

1. KID

2. BEAR

3. FROG

4. KNIFE

 

Answers:

 

Each word can be preceded by a name and the word "the" to name a well known person or  character:

 

1. Billy the Kid

2. Smokey the Bear

3. Kermit the Frog

4. Mac the Knife