Keep a Word, Delete a Word 2.0 (Part 2)

pole vaulted

barber pole

barber school

Summer school

summer vacation

European Vacation

Christmas Vacation

Christmas market

Flea market

sand flea

sand trap

trap door

door stop

door prize

booby prize

Prize Fighter

Tim Conway, Don Knotts

night fighter

Night Stalker

known stalker

known problem