"cycle" - key terms from Wikipedia

atkinson cycle
brayton cycle
business cycle
calvin cycle
carbon cycle
carnot cycle
cell cycle
characters in the inheritance cycle
citric acid cycle
clock cycle
cno cycle
combined cycle
cycle
cycle	lanes
cycle	rickshaws
cycle	route
cycle	time
cycle	tracks
duty cycle
election cycle
epic cycle
estrous cycle
fuel cycle
full moon cycle
hamiltonian cycle
hit for the cycle
hits for the cycle
inheritance cycle
inheritance cycle	characters
intelligence cycle
krebs cycle
life cycle
life cycle	assessment
light cycle
list of inheritance cycle	characters
metonic cycle
nitrogen cycle
nuclear fuel cycle
otto cycle
per cycle
rankine cycle
refrigeration cycle
ring cycle
solar cycle
song cycle
stirling cycle
ulster cycle
urea cycle
vicious cycle
water cycle