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