English is a confusing language.
There is no egg in eggplant nor ham in hamburger; neither apple nor pine in pineapple.
Sweetmeats are candies while sweetbreads, which aren't sweet, are meat
Quicksand can work slowly
Boxing rings are square
A Guinea pig is neither from Guinea nor is it a pig.
If the plural of tooth is teeth, why isn't the plural of booth beeth?
One goose, 2 geese. So one moose, 2 meese?
If a vegetarian eats vegetables, what does a humanitarian eat?
Ship by truck and send cargo by ship?
How come noses can run and feet can smell?
How can a slim chance and a fat chance be the same, while a wise man and a wise guy are opposites?
How can overlook and oversee be opposites, while quite a lot and quite a few are alike?
How can the weather be hot as hell one day and cold as hell another?