Looking on the internet deeply has found these results:

of worse is the most popular phrase on the web.

of worst 1522,000 results on the web	of worse 1529,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I can think of worst ways of spending my time than that. I can think of worst fates than spending my life with someone I love. Two of the users would still be profitable, even in that of worst case scenario. I got a metric ton of worst. It was one of worst friendly fire incidents during the Iraq War. Number six on our countdown of worst days... Scale of worst evidence you've handled, how bad is this? Quite often his characters, in their moments of worst terror, the world seems to almost be laughing at them.	Maybe. I've certainly been accused of worse. Look, I can think of worse things. I've been accused of worse. I can think of worse places to live. I can think of worse people to be held hostage by. It have been at the end of worse. I can think of worse places to spend eternity... Look, I can think of worse things.

of worst

1522,000 results on the web

of worse

1529,000 results on the web

More popular!

I can think of worst ways of spending my time than that.
I can think of worst fates than spending my life with someone I love.
Two of the users would still be profitable, even in that of worst case scenario.
I got a metric ton of worst.
It was one of worst friendly fire incidents during the Iraq War.
Number six on our countdown of worst days...
Scale of worst evidence you've handled, how bad is this?
Quite often his characters, in their moments of worst terror, the world seems to almost be laughing at them.