A family of Microsoft word processing software products for creating web, email, and print documents.
Update macOS before anything else. Version 12.7 now is available. That may not be the cure but it's usually pointless to troubleshoot if everything isn't updated.
Next, try this: Once you've updated Monterey launch Word then go to Word> Sign Out & restart the Mac. After restarting go to File> New From Template & sign in & restart Word.