Well I'd never heard of Wordnik but this is very cool and I'll be using it. This is like a respectable Dictionary.com+ Urban Dictionary. I don't see the category theory definition of a monad on it, though. Which is somewhat odd.
case fileExists "sausage.txt"
True -> putStrLn "Gonna do something with the sausage."
False -> putStrLn "Woop."
if do fileExists "sausage.txt"
then putStrLn "Gonna do something!"
else putStrLn "Woop."
(\case of (Just a) -> a; Nothing -> b)
(define (add-squares x y)
(+ (* x x) (* y y)))
(add-squares 2 4)
(add-squares (add-squares 4 3) 5)