defence
aegis
answer
apologetic
apologetics
apologia
apology
arch dam
argument
argumentation
armament
armor
arms
backfire
backstop
bamboo curtain
bank
bar
barrage
barrier
bear-trap dam
beaver dam
bicker
bickering
boom
breakwater
breastwork
brick wall
buffer
bulkhead
bulwark
casuistry
cofferdam
comeback
confutation
contention
contraremonstrance
controversy
counteraccusation
counterattack
counterblast
counterblow
countercharge
counterclaim
counterfire
counterinsurgency
countermeasure
counterreply
counterrevolution
counterstatement
accumulation
aggregation
assemblage
collection
executive department
protection
squad
team
defensed
defenses
defensing
attack
combat
communication
development
intelligence
maintenance
mission
resistance
security
support
unit
Spence
cents
commence
commonsense
condense
dense
dispense
expense
fence
hence
hense
immense
incense
intense
misrepresents
nondefense
offense
pence
pense
pretense
sense
spence
suspense
tense
thence
whence