There is western red cedar roofing, there is white cedar roofing, there is Alaskan yellow cypress roofing which is also referred to as Alaskan yellow cedar roofing. Alaskan yellow cypress roofing, the best by far, is more expensive than the red cedar and the white cedar.
Summing up: 1  An abbreviation is a shortening of a word or a phrase. 2  An acronym is an abbreviation that forms a word. 3  An initialism is an abbreviation that uses the first letter of each word in the phrase (thus, some but not all initialisms are acronyms).
Are you looking for the common acronyms? Acronyms are similar to abbreviations, in that they are a shorthand way of expressing an idea. However, unlike an abbreviation which may just be a shortened version of a word, (i.e. Mon. is short for Monday) acronyms have to stand for something. In other words, the first letter of other words or phrases come together to create acronyms. Here are lists of some of the most common acronyms in the English language.