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

doze :sleeping:

zone.

tone.

note :musical_note:

Noel.

Elon.

Neil.

line.

lens :nerd_face:

seen.

seed :seedling:

deed.

dead :zombie:

deal.

leaf :leaves:

fail :disappointed:

mail :post_office:

male.

meal :shallow_pan_of_food:

real :+1: