Change a Letter

[Vario80]

hell

[cogeo]

shell

[threestooges]

shall

[Vario80]

stall

[sc4luv2]

mall

[Thundercry]

tall

[tooheys]

tally

[Nardo69]

lately

[threestooges]

here's an interesting one (this is the only thing I could come up with, and it still took me a while):

lethal

[Pat]

Hmmmm lets see here....

Eternal

[threestooges]

I think that changes too many letters, but unless something else can be thought of, I have no problem letting it go from there (though it would be interesting to see what could be made).

[tooheys]

lantern

[threestooges]

internal

[tooheys]

interlap

[threestooges]

drop the i to get: planter

[tooheys]

drop another one and we get planet

[Nardo69]

planes

[Nisha]

spline

[threestooges]

spleen

[Vario80]

speed