"occurs" - key terms from Wikipedia

advantage occurs	when
behavior occurs
broadening occurs
burglary occurs
cavitation occurs
cleavage occurs
cobalt occurs
dormancy occurs
eclipse occurs
error occurs	when
event that occurs
exception occurs
eyeshine occurs
femoral hernia occurs	when
flashover occurs	when
flow occurs
fusion occurs
hanging occurs	on tuesday
if the hanging occurs
infidelity occurs	when
influence occurs
innovation occurs
later a murder occurs
lightning occurs
mission occurs
murder occurs
new moon occurs	close
nystagmus occurs
occurs
occurs	before sunrise and after
occurs	between
occurs	in the same milieu
occurs	naturally
occurs	only in the diploid
occurs	when
occurs	when a behavior
occurs	when the body
onset myopia occurs
pollution occurs	when
privilege escalation occurs	when
refraction occurs
rejection occurs
spalling occurs
switching occurs
total internal reflection occurs
transmission occurs	when
tremor occurs
tundra occurs
wear occurs	when
yield occurs	when