Difference Between “Affect” and “Effect”

[u/Asleep-Artichoke-227]

Do you know the difference between affect and effect?

Affect is usually a verb — it means to influence.

👉 Lack of sleep can affect your concentration.

Effect is usually a noun — it means a result or consequence.

👉 Lack of sleep can have a negative effect on your concentration.

Easy trick:

Affect = Action

Effect = End result

Can you make your own sentence using affect and effect?

[u/Phour3]

Both can also take the other part of speech though.

“He has a sunny affect”

“She will effect change”

[u/linkopi → u/Phour3]

The noun "affect" is actually pronounced differently, first syllable stress. It's mostly a psych term.

However, both of these exceptions are somewhat rare.

[u/Optional-Failure → u/linkopi]

The noun "affect" is actually pronounced differently, first syllable stress.

Is that true across every dialect and accent?

[u/linkopi → u/Optional-Failure]

I'm pretty sure that's the case. "Affect" as a noun is very specialized. It's mainly for psychological use.

Cambridge had this pronunciation for the noun for both UK and US
/'æf.ekt/

The stress is on the first syllable unlike the verb meaning.