Practice varies with regard to periods, with current usage increasingly in favor of omitting them, especially when the initialism consists entirely of capital letters. |
John Edward Haynes lists the various types of fictitious names as pseudonyms, anonyms, anagrams, phraseonyms, titlenyms, and initialism. |
Pressed for an opinion after my first bite or two, I took refuge in the initialism I. C. P., Interesting Cultural Phenomenon. |
It is usually acceptable to start a sentence with an acronym or initialism that begins with a capital letter. |
Some dictionaries include additional senses equating acronym with initialism. |
An acronym is a word group created in a similar way to an initialism but which is pronounced as a word. |