Four letter words--Change 0 to 1 letter to make a new word

mope.

more :heavy_plus_sign:

tore~

robe.

bear. :bear:

Lear :airplane:

pear. :pear:

fear :anguished:

fire.

free :us:

tree. :palm_tree:

reed :saxophone:

dire.

deer.

dyer.

ride. :horse_racing:

dirt.

turds

1, 2, 3, 4 max!

In play: dirt

drat!

star :star2: