The initial idioms of the letter D

defection	defective
defective pleading	defectiveness
defector	defeminise
defeminize	defence
defence force	defence mechanism
defence policy	defence program
defence reaction	defence system
defenceless	defencelessly
defencelessness	defend
defendable	defendant
defender	Defender of the Faith
defending	defending team
defenestrate	defenestration
defense	Defense Advanced Research Projects Agency
defense attorney	defense contractor