| Term | Definition |
| Consist | To be made up of; to be formed |
| Consistent | Constant; remaining the same |
| Insist | To demand; to require |
| Insistence | The act of holding firmly to a demand |
| Insistent | Firm; holding to a demand |
| Exist | To be real; to have life |
| Existence | Life; actuality; being |
| Resist | To oppose; to stand firmly against |
| Resistance | Opposition; the act of standing against |
| Resistant | Opposing; standing against |
| Resistible | Capable of being refused; able to be withstood |
| Irresistible | Not capable of being refused or withstood |
| Assist | To aid; to help |
| Assistance | Help; aid |
| Assistant | A person who helps or aids |
| Persist | To continue firmly; to endure; to last |
| Persistence | Perseverance; steadfast; determination |
| Persistent | Not giving up; continuing on |
| Subsist | To keep alive on; to live on |
| Desist | To stop; to cease |