- Affect as a verb means "to have an effect on" or to do something to.
- Affect as a noun means "an emotion".
- Effect as a verb means to bring about or accomplish; to do something.
- Effect as a noun means something that is produced by a cause.
- Affective meaning "emotional"
- Effective meaning "producing the [intendend] purpose"
His affect affected me and its effect was affective: I was upset; but his intent was to make up - his affect was not effective.