Sentence:  "What's a Brownie?" you say. Oh, it's a kind of a sort of a Bogle, but it isn't so cruel as a <WSD>Redcap</WSD>! What! you don't know what's a Bogle or a <WSD>Redcap</WSD>! 
Meaning of the word marked with <WSD> tags:  A type of evil goblin or imp