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

[Ignatz]

file.

[Prof.Pepperwinkle]

fire

[llikewise]

tire.

[dirtball]

tier.

[Prof.Pepperwinkle]

ripe

[Ignatz]

pear.

[llikewise]

reap.

[Elendil_s_Heir]

neap

[llikewise]

nape.

[Prof.Pepperwinkle]

nope X

[dirtball]

poem.

[Elendil_s_Heir]

poet

[llikewise]

tope.

[pjd]

pent.

[Prof.Pepperwinkle]

cent

[llikewise]

dent.

[NetTrekker]

don’t(!)

[llikewise]

toad.

[dirtball]

data.

[llikewise]

date.