| A | B |
| SIST | stand; stop |
| desist | to stop doing something; cease |
| persistent | not giving up or stopping |
| subsist | to support life; to survive |
| SED | to sit |
| preside | to be in charge; to govern |
| residual | left over; remaining |
| dissident | one who disagrees or argues |
| subsidiary | one that serves or secondary to another |
| insiduous | speading harmfully and secretly |
| assiduous | determined and constant |
| supersede | to make useless; to replace |
| sedentary | not very active; often in a seated position |