Grace Slick
Amazing Grace
Grace Jones
Basketball Jones 
basketball tournament
poker tournament
Fireplace poker
poker face
stone face
about face
(Okay, apparently i am unclear on the rules- do you have to delete the old work and keep the new, or keep or delete whichever?)
You delete one word and keep the other.
In play: face off
off color
color commentator
color TV
TV guide
fishing guide
fly fishing
fishing hole
fishing trip