When one puts up a building one makes an elaborate scaffold to get everything into its proper place when one takes the scaffold down, the building must stand by itself with no trace of the means by which it was erected.
democracy
democratic
demolish
demolition
depart
department
departure
depend
dependable
dependence
depravity
depress
desolate
desperate
despair
desperately
desperation
detention
deteriorate
determine
determiner
develop
developer
together
they
under
night
real
give
music