"""Troll"" here. Also in Good faith, my preferred compromise is to use both the principal terms in question: Country and constituent country for Scotland  & England, together with principality and province used for Wales and Northern Ireland respectively, as per the terminology used in BS ISO 3166-2:2007 (second edition). (The term constituent country being cited from the UK Government). These being as follows:
Scotland (Gaelic: Alba) is a country that occupies the northern third of the island of Great Britain. It is a constituent country of the United Kingdom, and shares a land border to the south with England. England (Cornish: Pow Sows) is a country that occupies most of the southern two-thirds of the island of Great Britain. It is a constituent country of the United Kingdom, and shares land borders to the north with Scotland and to the west with Wales. 
Wales (;Also spelled ""Gymru"", ""Nghymru"" or ""Chymru"" in certain contexts, as Welsh is a language with initial mutations – see Welsh morphology. pronounced }) is a principality that occupies the largest western peninsula of the island of Great Britain. It is a constituent country of the United Kingdom, and shares a land border to the east with England. Northern Ireland' (Irish: Tuaisceart Éireann, Ulster Scots: Norlin Airlann'') is a province that occupies the northeast of the island of Ireland. It is a constituent country of the United Kingdom, and shares a land border to the south and west with the Republic of Ireland.
All of the above terms are verifiable and can be cited from reliable sources, which in addition to the ISO include: 
""Scotland is a country"" at Google: Hits include: www.scotlandoffice.gov.uk, www.historic-scotland.gov.uk, www.scotland.gov.uk, www.friendsofscotland.gov.uk
""England is a country"" at Google: Hits include: www.britishembassy.gov.uk, www.defra.gov.uk, www.statistics.gov.uk, www.english-nature.org
""Province of Northern Ireland"" at Google: Hits include: www.roadsni.gov.uk, www.detini.gov.uk, www.assemblywales.org, www.oft.gov.uk, www.dca.gov.uk
""Principality of Wales"" at Google: Hits include: www.royal.gov.uk, www.opsi.gov.uk, www.princeofwales.gov.uk, www.nationalarchives.gov.uk, www.assemblywales.org.
The above is not a complete list however the sources, as can be seen, are certainly reliable. Many argue that such terms lead to ""confusion"" on the part of the reader. My response is that perhaps here is the best place to educate in order to avoid such confusion, it is, after all, an Encyclopaedia. If you prefer this alternative option, please comment to that effect. Regards 195.27.13.214  

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