"lock" - key terms from Wikipedia

achilles lock
ankle lock
blish lock
camden lock
caps lock
combination lock
commander lock
compression lock
differential lock
dimension lock
distributed lock	manager
door lock
exclusive lock
face lock
front face lock
gimbal lock
humpty lock
joint lock
lock
lock	and dam
lock	and dam no
lock	and key
lock	chamber
lock	file
lock	key
lock	makers
lock	pick
lock	picking
lock	up
master lock
master lock	challenge
mutex lock
omega lock
percussion lock
peterborough lift lock
pin tumbler lock
rape of the lock
scroll lock
scroll lock	key
sean lock
shared lock
shoulder lock
sim lock
spinal lock
stasis lock
teddington lock
trigger lock
tumbler lock
vapor lock
waist lock