Seven letter words change one or two letter to make a new word

promise

prosper

process

precess

precede

cowpies

Cowpens

coppers

Wasn’t it obvious that cowpies needed an o, w, and i at first glance, S67?

crapper

preachy

parched

cheapen

My apologies; I was looking at the end of the last page. For some reason, I didn’t click forward to this page. And cowpies would play from promise.

In play:

kneepad

I do that as well, but then use the edit function to correct my mistake, if I notice it.

deepens

depends

suspend

plunder

asunder

astound

sounder