An acronym is a string of letters standing for the words in a phrase. So no - SCUBA was not a word before it was an acronym. As an acronym SCUBA (Self Contained Underwater Breathing Apparatus) has...
Alphabet Codes For Remembering Odd Names Yielding Meanings This may in fact be a clever way to remember the spelling of "acronym", but sadly, it's not how the word came to be. "Acronym" is a word...