What are the similarities and differences? http://www.oxforddictionaries.com/definition/english/construct has fewer entries than http://www.oxforddictionaries.com/definition/english/construction, but many of them are alike? Can construction be used below, for example?

Source: p 39, The English Legal System 2012-2013, Gary Slapper

... The classic account given by Dicey of the doctrine of the supremacy of Parliament, pure and absolute as it was, can now be seen to be out of place in the modern United Kingdom. Nevertheless, the supremacy of Parliament is still the general principle of our constitution. It is a construct of the common law. The judges created this principle. If that is so, it is not unthinkable that circumstances could arise where the courts may have to qualify a principle established on a different hypothesis of constitutionalism.