| A | B |
| dyna | power |
| fort | strong |
| poten | powerful |
| dynasty | family of rulers who rule over a country for a long period of time; a family, team, etc., that is very powerful or successful for a long period of time |
| dynamo | a machine that produces electricity; someone who has a lot of energy |
| dynamic | always active or changing; having or showing a lot of energy; of or relating to energy, motion, or physical force |
| fortress | a place that is protected against attack; a fortified place |
| fortify | to make someone or something stronger; to strengthen a place against military attack; to improve the quality of something by adding something to it. |
| forte | something that a person does well |
| fortitude | mental strength and courage that allows a person to face danger; pain, etc., |
| potential | capable of becoming real |
| omnipotent | having complete or unlimited power |
| potent | very effective or strong; having a very powerful effect or influence on someone |