Idk what he's talking about. These are acronyms: FWIW, IMO, NASA
NASA is not a word it's an abbreviation of words, which is defined as an acronym. National Aeronautics and Space Administration are.. words I'll give him that.
ac·ro·nym
/ˈakrəˌnim/
noun
an abbreviation formed from the initial letters of other words and pronounced as a word (e.g., ASCII, NASA ).
Now that that's settled LET THE THREAD CONTINUE TO CREATE ACRONYMS
Oh thank God the Sunday morning alcohol free bars hour has passed.