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

coop :hatched_chick:

boop

~Max

bozo :clown_face:

mozo

~Max

mojo :mage:

dojo

~Max

bojo.

oboe.

obey !

buoy.

bury :bone:

ruby.

curb :service_dog:

cure :pill:

ruse 🥸

sire.

heir :baby:

hair 👩🏼‍🦱

hare.

hear :ear: