Hollow Men
Sleepy Hollow
sleepy time
make time
Time Passages
hidden passages
Hidden door
door prize
Booby Prize
Blue-Footed Booby
(are hypenated words allowed?)
Booby trap
Parent Trap
Mouse Trap
Danger Mouse
Henry Danger
O. Henry
I think so. Either word alone wouldn’t have the same meaning, so hyphenating essentially makes them a single word. Just my two cents’.
In play:
O.J.
J hook
Hook Nook
Book Nook