| A | B |
| arduous | requiring much effort; very difficult |
| canny | shrewd and careful; watchful of one's own interests |
| climax | the highest point; the greatest movement or event |
| endorse | to sign the back of a check before cashing or depositing it |
| endorse | to approve of; to support |
| endorse | to be favorably associated with a product in return for payment |
| exuberant | happy and excited; bubbling over with enthusiasm |
| exuberance | the quality of being exuberant |
| intrepid | feeling or showing no fear; brave; courageous |
| kindle | to start burning |
| kindle | to cause to become excited or stirred up |
| kindling | sticks used to start a fire |
| lucrative | producing wealth or profit |