[Trigger warning if you're grieving, or sensitive about death.]
Death is often called the great leveller; it’s also the great euphemised. I have a book on euphemisms with a full chapter devoted to it, and I’m sure that’s not unusual in the niche. The idea of death also recurs in slang and metaphor, as Jonathon Green shows here, at least some of the time for similar reasons of delicacy and evasiveness.
I was leafing through George Carlin’s book Brain Droppings the other day and found a vivid comparison of direct vs. euphemistic language in the specific area of funerals and burial (bold text in the original):