We take English for granted:

There is no egg in eggplant nor ham in hamburger; neither apple nor pine in pineapple.

English muffins weren't invented in England.

A Guinea pig is not a Guinea nor is it a pig.

Doesn't it seem crazy that you can make amends but not one amend?

If teachers taught, why didn't preachers praught?

If a vegetarian eats vegetables, what does a humanitarian eat?

Ship by truck and send cargo by ship?

Have noses that run and feet that smell?

How can a slim chance and a fat chance be the same, while a wise man and a wiseguy are opposites?

If Dad is Pop, how come Mom isn't Mop?