effect

ot noun

1. The result or outcome of a cause. The effect of the hurricane was a devastated landscape.
2. An illusion produced by technical means (as in "special effect") The effect of flying was most convincing.
3. (sound engineering) An alteration, or device for producing an alteration, in sound after it has been produced by an instrument. I just bought a couple of great effects.
4. (etc.) A scientific phenomenon, usually named after its discoverer. Doppler effect

fe’l verb

1. To make or bring about; to implement. The best way to effect change is to work with existing stakeholders.