The term 'UGLY DUCKLING, IN REALITY' can be solved by the crossword solution 'SWAN', which is a four letter word. The phrase 'ugly duckling, in reality' is a reference to the classic fairy tale of the same name by Hans Christian Andersen. In the story, an ugly duckling is rejected by its peers until it matures into a beautiful SWAN. This phrase is often used to refer to someone who is initially seen as unattractive or awkward, but eventually blossoms into something beautiful.