know-it-all-along effect
It never rains but it pours
It’s dogged that does it
AO effect (=acoustic-optical effect)
Biological heating effect and biological non-heating effect
effect and adverse effect
effect and converse effect
Effect size effect magnitude
end-and-end effect (= end-to-end effect)
end-to-end effect (= end-and-end effect)
eo effect (=electro-optical effect)
fast[-neutron] fission effect (= fast multiplication effect)
Kelvin-Effect (Thomson Effect)
reducing toxic effect and enhancing therapeutic effect
Righi effect (=Righi-Leduc effect)