| A | B |
| buttress | (n) a support built against a wall for reinforcement; (v) to support or reinforce |
| defensible | (adj) capable of being protected or defended |
| durable | (adj) sturdy or long-lasting |
| fortify | (v) to strengthen or make secure |
| invigorate | (v) to fill with life, energy, or strength |
| potent | (adj) powerful; strong |
| quell | (v) to put down by force; to overpower; to calm something |
| recalcitrant | (adj) stubbornly refusing to do something; not following orders |
| resistant | (adj) opposed to or defending against; not giving in; able to withstand or remain the same despite outside forces |
| valor | (n) courage or boldness |