You can only change ONE letter, AND/OR rearrange the letters currently available. The first word is:
WINS
lame
lamp
pale
plan
nape
pain
pine
nice
inch
chip
chap
path
bath
tabs
stay
yaks
slay
lazy
mazy
(remember, I have the OED now :)
maze
(I'm 'mazed!)
zeal
adze
deal
feel