That is because most of the words, though they make sense, are not commonly used in daily or spoken English. There are millions of such unusual words that exist in the dictionary, but we are unaware of them. Given here is a list of some such strange and weird unusual words that are often overlooked by us.
The Common Reporting Standard is an information standard for the automatic exchange of tax and financial information on a global level, which the Organisation for Economic Co-operation and Development developed in 2014. Its purpose is to combat tax evasion. The idea was based on the USA Foreign Account Tax Compliance Act implementation agreements and its legal basis is the Convention on Mutual Administrative Assistance in Tax Matters. As of 2016, 83 countries had signed an agreement to implement
United States Military Standard. A United States defense standard, often called a military standard, MIL-STD, MIL-SPEC, or (informally) MilSpecs, is used to help achieve standardization objectives by the U.S. Department of Defense.