"occurs" - key terms from Wikipedia

behavior occurs
cap occurs
cavitation occurs
combat occurs
crime which occurs	when
deadlock occurs
dispersion occurs
disruption occurs
dormancy occurs
eclipse occurs
error occurs
event that occurs
eyeshine occurs
flow occurs
goal occurs	when
hydroplaning occurs
hysteresis occurs
if an error occurs
innovation occurs
later a murder occurs
lightning occurs
mission occurs
murder occurs
nucleation occurs
nystagmus occurs
occurs
occurs	as described previously
occurs	between
occurs	in the same milieu
occurs	naturally
occurs	only
occurs	when
occurs	when a behavior
occurs	when material
occurs	when the sun
one pvc occurs	after every
onset myopia occurs
pollution occurs	when
selenium occurs
singularity occurs
sleep occurs
total internal reflection occurs
tremor occurs
tundra occurs
upwelling occurs
vacancy occurs
wear occurs	when
when subcutaneous emphysema occurs
where one pvc occurs	after
yield occurs	when