I read an article recently that was about multiple instance of this. Usually they spell disaster.
They name "polymurphisms" was coined. And "Rincewind's Rule" was the progenitor of them.
Rincewind being the magician in "Discworld" (I am told) who's spells spelled disaster.

Apparently there is a concept in aviation safety circles that says that Murphisms occur about once a flight, but they are like holes in layers and when disaster strikes several of those holes lined up. The Disaster Documentaries I see bear this out.