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

milf :family_woman_girl_boy:

slim.

slam :door:

lamb :cut_of_meat:

palm :palm_tree:

calm :expressionless:

alms :stew:

sale :heavy_dollar_sign:

sail :sailboat:

lips :kiss:

sips :milk_glass:

spin :o:

pine :evergreen_tree:

fine.

line______________

lone :open_mouth:

loan :money_with_wings:

nail I :hammer:

rail :steam_locomotive: :railway_car: :railway_car: :railway_car: :railway_car: :railway_car:

mail :incoming_envelope: