The Question and Answer section for The Open Window is a great resource to ask questions, find answers, and discuss the novel.
Similarities between Vera and Mr. Nuttel include the fact that neither wants to be there, and neither wants to talk to the other.
Their differences are many.... Vera is a young woman; Nuttel is an older man. Vera is self-confidant; Nuttel is a...
I'm sorry, I do not understand what you mean by "hard words', vocabulary words?
Why is it important that the reader know "what" about the niece?
From your question I infer your talking about her propensity for telling stories.... this fact explains the plot..... as well as Nuttel's reaction.
Romance at short notice was her...