SIGNATURE GAMES
Spida
Ingles
Gobert
Not
All
The
Universe
Rubio
Exists
Gobert
Actually
Makes
Everything
Start
WTAF
Merriam Webster disagrees with you. See the "also" line. https://www.merriam-webster.com/dictionary/acronymAn acronym can be pronounced as a word, if it cannot it is called an initialism.
FYI
MAGA is generally pronounced as a word, even though it isn't a word, so it counts. MUGTFA cannot be pronounced, so it is an initialism.
Merriam Webster is wrongMerriam Webster disagrees with you. See the "also" line. https://www.merriam-webster.com/dictionary/acronym
Language evolves.I think Merriam Webster listed the word "ginormous"
case closed