My favourite story like that is from my dad, who was WW2 vet. After the war, he wound up in Japan and attended a conference where someone stepped up to the podium and introduced himself as General McArthur’s Chief Advisor. Or at least he thought he did…
The word for advisor is komon. The word for asshole or anus is koumon. Basically, you just hold out the first o out slightly longer and it switches to the other word.
Your first one reminds me of something that happened awhile back. I was at a donut shop staring out the window when a scruffy dude in a pickup truck slammed into a traffic light, tipping it over across the street.
Now as it happens, said donut shop was a watering hole for police officers (yes, the stereotype is real), and about a dozen buff uniforms trotted out within seconds. The guy climbed out of the truck and tried to light a cig and it fell out of his mouth as he saw them rushing up.