You can only change ONE letter, AND/OR rearrange the letters currently available. The first word is:
WINS
grow
rows
sorb
bars
crab
acre
rice
rime
ice crystals forming a white deposit
ream
cram
mace
mare
came
game
magi
gain
rain
(well, I am British)
barn
bare
brae
rave
ever
veer
seer