Rewordify: a new tool to study

I would like to introduce a new tool I started experimenting. You have just to pop out a text you would like to paraphrase and it does highlighting the most difficult words. I tried with Lord Randall, a medieval ballad

There's an option which displays different colours corresponding to different parts of speech

 You might choose to focus on adjectives and here's the result: it might be used to draw conclusions as far as poetry is concerned