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).
Many acronym lists you'll see are really lists of acronyms and initialisms or just lists of abbreviations. (Note that abbreviations include shortened words like esp. for especially as well as shortened phrases.). 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).any acronym lists you'll see are really lists of acronyms and initialisms or just lists of abbreviations. (Note that abbreviations include shortened words like esp. for especially as well as shortened phrases.). Summing up: 1  An abbreviation is a shortening of a word or a phrase.