Scabies
Part of speech: noun
Definition: An infestation of parasitic mites, Sarcoptes scabiei, causing intense itching caused by the mites burrowing into the skin of humans and other animals. It is easily transmissible from human to human; secondary skin infection may occur.
Itch
Part of speech: noun
Definition: A sensation felt on an area of the skin that causes a person or animal to want to scratch.A desire or want.
Part of speech: verb
Definition: To feel the need to scratch.To want or desire.To cause to feel an itch.To scratch or rub so as to relieve an itch.
Example sentence: Writing is like a 'lust,' or like 'scratching when you itch.' Writing comes as a result of a very strong impulse, and when it does come, I, for one, must get it out.