Has it ever turned out that one of these words means something dirty or profane or something in another language?
The one issue I did have was buying a domain on Namecheap auctions only to find it had been used very aggressively by spammers before going to auction. It made me think of the recent top HN post about how you could push a suspect domain to someone within a registrar and then implicate them without their knowledge. The Namecheap auction system happily let me buy the domain, but then as soon as it was in my account it got suspended and I got various emails from their security team about how many blocklists it was on and how I'd have to submit extensive documentation to get it unsuspended etc. Thankfully the support was helpful and now I check domains more thoroughly before I buy them...