who·dun·it or who·dun·nit 
(h-dŭnĭt)
(h-dŭnĭt)n.
Informal
Informal
A story dealing with a crime and its solution; a detective story.
[Alteration of who done it?]
- interconnectable
- interconnectedness
- interconnectible
- interconnection
- intercontinental
- interconversion
- interconvert
- interconvertibility
- interconvertible
- intercool
- intercooler
- intercostal
- intercourse
- intercrop
- intercultural
- intercurrent
- intercut
- interdenominational
- interdental
- interdentally
- interdepartmental
- interdependence
- interdependency
- interdependent
- interdict