My sister chugged a bottle of the sweet kind of cough syrup when she was two and she had to get a tube shoved through her nose and into her stomach to pump it out.
The kanji and the word are exactly the same. That means they share meanings as well.
"That's coo' だ," you like to say in response to pipes. You've never seen pipes before, which makes them pretty cool to you. You've been using an outhouse your whole life, so pipes are pretty neat.