AFFECT
/әfekt/: is verb. To affect someone or something means to change or influence them in some way.
- ...the ways in which computes can affect our lives.
- The disease affected Jane's lungs.
He described some of the harmful affects of smoking.
He described some of the harmful effects of smoking.
Affect is nearly always a verb. The noun is normally effect. Compare:

- The new tax lays are likely to affect exports.
- The new tax laws are likely to have an effect on exports.

EFFECT
/ifekt/: is usually sed as a noun. An effect is a change or event which occurs because something else has happened.
- ...the effect or noise on people in the factories.
- This has the effect of separating students from teachers.
Everyone knows that smoking effects your health.
Everyone knows that smoking affects your health.
Something either affects us or has an effect on us. Effect (with an e) is normally used as a noun. As a verb, it has a very different meaning.

EFFECT
You can say that somehing has a particular effect on something else.
- Improvement in water supply can have a dramatic effect on health.
- Interest rates and mortgage rates are having a significant effect on Conservative support.

Effect is sometimes used as a verb. If you effect something that you are trying to achieve, you succeed in achieving it. This is a formal use.

- I was trying my best to effect all that plan for my brighter future.

FRIGHTENED
You can also say that you are frightened of someone or something.
Frightened has the same meaning as 'afraid'.
-You're frightened of Alice.
- Everyone here is frightened of the volcano.

I was too frighten to move.
I was too frightened to move.
Frightened used as Adj is always ended by adding 'ed'.

AFRAID - FRIGHTENED
If you are unwilling to do something because you think it might be harmful or dangerous, you can say that your are afraid to do it or frightened to do it.
- He was afraid to advance any farther.
- What is the use of freedom if people are frightened to go out?

another meaning of 'afraid'
Afraid has another meaning. You use it to say that you are worried that something unpleasant might happen and you want to avoid it. When you use afraid like this, it is usually followed by a report clause.
- She was afraid that I might be embarrassed.
You can also sayt that you are afraid of doing something. For example, 'I was afraid that I might get lost', you can say 'I was afraid of getting lost'.
- She was afraid of being late for school.
- He was terribly afraid of offending anyone.