Don't confuse these words!

Your look is too serious, you need a nice complement / compliment with some colour.

I make a delicious apple pie, do you want the recipe / receipt?

This is a secret, keep it among / between us.

She had problems with a class mate, so she talked to her principle / principal to find a solution

He was a man of principle / principal and always good to his word.

I like it better when in class we work all together / altogether

Whose / who's in the toilet?

Don't be angry, what he said is a complement / compliment

Whose / who's book is this?

All together / altogether the reception was a mess and everyone left angry.

Among / between her accomplishments, she can claim to be the best of her country at chess

I can't change the trousers cause I lost the recipe / receipt