| A | B |
| implacable | inflexible |
| implicit | understood without being said outloud |
| impugn | to call into question or challenge |
| incarcerate | to put in jail |
| incense | to make angry |
| repercussion | an indirect effect of an event |
| replenish | to refill |
| reprisal | getting back at someone who wronged you |
| rescind | to cancel or withdraw |
| resilient | springy or flexible; able to go back to original shape |
| solace | comfort |
| sordid | filthy and mean |
| stamina | endurance |
| stereotype | a conventional conception of something |
| stigmatize | to brand or characterize as bad or disgraceful |
| tacit | unspoken |
| taciturn | untalkative |
| tangible | capable of being touched |
| tenable | capable of being defended or maintained |
| tentative | hesitant or uncertain |