antidote
backfire
comeback
corrective
counteractant
counteractive
counteragent
counterattack
counterblast
counterblow
counterfire
counterinsurgency
counterrevolution
counterstep
counterstroke
cure
defense
retort
measure
step
countermine
addeth
anesthezine
anti-radar
cloaking
coin-operated
counterair
countermeasures
decontaminant
detector
eye-level
harmonisation
innutritious
master-bedroom
monofilament
self-defense
semi-political
soft-drink
wall-mounted