Correct
Incorrect
Political correctness
Politics
Parliament
Congress
Ministry
Ministry (band)
Ministry of Sound
Harry Potter
Magic
Wand
Twig
Stick
Shaft
Staff 
As a kid in school (when my English still wasn’t that good) I always thought that ‘Staff room’ was a misspelling of ‘Stuff room’ so I always thought it was some kind of supply room and wondered why teachers kept going in all the time 
Misunderstanding
How many interesting stories do you have?
Interesting stories
Tales
Tails.
Heads
Part
Component
Piece
Slice
Portion
Food
Drink
Beverage
Alcohol
Rubbing alcohol
Hospital
Hospital smell
Rubber gloves
Latex
Allergies
Pollen
Flower