The following is a recent conversation I had with my employee in Spanish which emphasizes the importance of property pronunciation. Cajón in Spanish means drawer whereas cojón means testicle.
(translated from Spanish)
Connie: Where are the receipt books?
Me: They are in my office in the top cojón (testicle) of my black filing cabinet
Carla: I think you mean cajón (drawer).
Me: (Smiling) Yes I meant cajón (drawer).
We all laugh.