no 'commonwealth realm' even if realm were in lower case signifies a realm that is in the commonwealth that includes the realms like swaziland and tonga which are members of the commonwealth and have a monarch other than elizabeth ii also there is nothing in the term to indicate that elizabeth ii is the common monarch of these realms and a term should descrtibe what it signifies belonging to the commonwealth is quite incidental to the quality of the realms we are attempting to group