Switched Jokes

I switched labels in my wife's spice cabinet.
She hasn't noticed, but the thyme is cumin.
I came into the office early and switched as many M and N keys on keyboards as I could. Some might say I'm a monster...
But others will say nomster
Hear about the saxophone player who switched from a tenor to a soprano saxophone in the middle of the concert?
The press made quite a big deal out of his sax change.
Imagine if Americans switched from pounds to kilograms overnight.
There would be mass confusion.