"effective" - key terms from Wikipedia

became effective
cost effective
directly effective
effective
effective	address
effective	against
effective	annual
effective	aperture
effective	apr
effective	ceiling
effective	charge
effective	cost per
effective	cost per action
effective	death penalty act
effective	degrees of freedom
effective	demand
effective	dose
effective	duration
effective	earth emissivity
effective	exchange rate
effective	exhaust velocity
effective	field
effective	field theory
effective	focal length
effective	interest rate
effective	labor
effective	marginal
effective	mass
effective	pc address
effective	population size
effective	range
effective	rate
effective	stress
effective	tax rate
effective	temperature
effective	theory
habits of highly effective	people
habits of highly effective	pirates
horizontally directly effective
inbreeding effective
less effective
maximum effective	range
mean effective	pressure
mhz effective
more effective
more effective	than
most effective
safe and effective
seven habits of highly effective
very effective