`  :I agree that we should be consistent.  There is probably a subtle difference between the ``x effect`` and ``x-electricity``, so we need to record both forms somehow.  I would say that the ``x effect`` is an abstract concept meaning ``the process by which e.g. squeezing a crystal creates electricity``, while ``x-electricity`` is a concrete thing, the electricity that you get as the result of the effect.  I think this means that the title of the article should be the ``x effect``, as you said above, but let's acknowledge the existence of the ``x-electricity`` form somewhere in each article.   `