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

nerd :nerd_face:

deer :deer:

reed :tanabata_tree:

reek :nose:

eked :mouse_face:

deck :oncoming_fist:

dock :ship:

sock :socks:

rock :rock:

cock :rooster:

mock :nerd_face:

comb :blonde_woman:t4::barber_pole:

Cobb :baseball:

boob :clown_face:

oboe :musical_note:

boot :hiking_boot:

tomb :coffin:

moto :kangaroo:

moos :cow:

mops :broom: