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

treated

beaters

betrays

trebles

blister

blaster

https://www.cookingideas.es/imagenes/2013/08/han-solo-blaster-replica-1-515x438.jpg

bluster

cluster

custard

bastard

stabbed

stables

blessed

debases

debated

debited

devoted

devolve

revolve

overtly