Grad, gress, gradu -- step, go

aggressive

Tending to step toward someone

threateningly

Grade

A step in a series

Gradual

By slow steps

Degrade

To cause to go down in status or quality

Regress

To go backwards

Digress

To go off to a

second path or line of thought

Digression

A second path or line of

thought

The prefix “de” means…

Notor

Down

The prefix “re” means…

“again”

The prefix “di” means…

“apart”