title: Is-a, extends, 'inherits': What is your preferred term for "inheritance" and why?
body: <p>A subjective question, hence if there are complaints I'll wiki, but I'd like to know what people's takes are on the different terms that are used for inheritance almost interchangeably.</p>
  
  <p>We have "is-a", "extends", "derives", "subclasses" and simply "inherits"</p>
  
  <p>The words we choose have a lot of meaning packed into them.  What is your preferred term for "inheritance" and why?</p>
  
  <p><em>Be compelling!</em></p>