d00phy

You can also set custom words in the dictionary in settings so swearing words work as expected.

Look under General —> Keyboard —> Text Replacement

Genuinely curious why you think Yelp is worse than Google?

Came for this.

You can contact Apple support to see if they can help. Would be interesting to see if they all shut down at the same time, and if they did whether there was a logged reason. I would probably start a chat session from the support website for your iMac and tell them all the devices that were affected. I assume an iDevice will have a log of shutting itself down (if that’s what happened), I’m certain an iMac does.