Ditto for me on "umpteenth," which I've always heard pronounced without the "p": umteenth. It goes back at least to the Depression years according to my father, who uses it regularly. Never heard of "steenth."

There is also "Juneteenth," which is a quasi-holiday that originated (I think) in east Texas to commemorate the day that the local black population learned of (I think) the fall of the Confederacy at the end of the War Between the States. Somebody will have to look all this up, because I don't plan to, but (I think) it is June seventeenth.

"I don't know which is worse: ignorance or apathy. And, frankly, I don't care." - Anonymous