THE DIFFERENCE BETWEEN XXXVIII

What's the difference between:

1. A farmer and a freighter?
2. A spider and a liar?
3. A penguin and a tuxedo?
4. A place of evil and a group of unsupervised children dividing a pizza?

Answers:

1. A farmer sees the plow and a freighter plows the sea. 

2. A spider never gets caught in its own web.

3. You can't rent a penguin. 

4. One is a den of iniquity and the other a din of inequity. 

Credits: 
2: GAMES Big Book of Games
    Scott Marley 
3: Joseph Appel