1 Regression
from Personal Development
Regression is a psychological defense mechanism in which a person abandons age-appropriate coping strategies in favor of earlier, more childlike patterns of behavior.

Regression is a form of retreat, bringing back a time when the person feels safe and taken care of.
2 Eustress
from Personal Development
Moderate or normal psychological stress interpreted as being beneficial for the experiencer.

If you have heard about distress then I bet you’ve heard about eustress!
3 Ego
from Personal Development
It is part of the mind that senses and adapts to the real world.

Ego is one of the key parts of Sigmund Freud’s “The Structural Model of Personality”.
4 Discourse
from Reading and Writing
Discourse is the use of words to exchange thoughts and ideas.

5 Stressor
from Personal Development
Something that causes a strain or tension.

Stressors affect our lives greatly!
6 Derivatives
from Basic Calculus
In mathematics, the derivative is a way to show rate of change: that is, the amount by which a function is changing at one given point.

Derivatives are used in Basic Calculus and very easy to understand.