Example: 1st player: oven 2nd player: swaps O for I and posts: vine. Proper names are fine.
lane
loan
Moan
monk
Honk
Know
Knot.
Kong
gunk
junk
June
dune
Dane
Aide
paid
Drip
ripe
Grip
trip
part
park
pram
Mart.
Tarp
pert