A coop is a cage, generally in the ground, for keeping animals like chickens inside.
To coop up means to keep someone in a small space, for example "my apartment is so small I'm all cooped up in there".
Something droops if it bends over and down. Things might droop because they are tired or unsupported. Some plants and flowers naturally have a drooping growth pattern.
A scoop is a kind of spoon that is deep and shaped like a hemisphere.
A scoop might also mean something made with a scoop, for example a scoop of icecream.
Soup is a food that is made by cooking things like meat and vegetables in water with herbs and spices. Soup is usually very runny, and you have to eat it with a spoon not a knife and fork.