"cycles" - key terms from Wikipedia

algebraic cycles
biogeochemical cycles
brain cycles
business cycles
charge cycles
clock cycles
cpu cycles
cycles
cycles	of length
cycles	per
cycles	per second
cycles	peugeot
cycles	through
disjoint cycles
eyewall replacement cycles
glacial cycles
hero cycles
life cycles
milankovitch cycles
mountain cycles
number of cycles
parasitic life cycles
pedal cycles
population cycles
secular cycles
secular cycles	and millennial trends
song cycles
thermodynamic cycles
ti cycles