Is “Derailment” a Scrabble word?
Yes
DERAILMENT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Derailment
noun
1.The action of a locomotive or train leaving the rails along which it runs.
2.A pattern of discourse (in speech or writing) that is a sequence of unrelated or only remotely related ideas.
3.An instance of diverting a conversation or debate from its original topic.