Worshed is definitely a thing in Washington state as in Worshington.
I think it was a hard scrabble east of the Cascades thing that made all the transplants think they should say it to sound local, but I don’t really know.
Crick, creek, worsh, wash, New Awwwlins. You better be really fucking genuine and it roll right off your tongue with a bunch of other dialectical oddities or you look the fool.