| A | B |
| adapt | to change to fit new conditions |
| adapt | to make changes in something to make it useful |
| deplete | to use up |
| efficient | producing results without waste |
| fatigue | a feeling of tiredness from work or exercise |
| fatigue | to make or become tired |
| gait | the way a person or animal moves on foot |
| glare | to shine with a strong, harsh light |
| glare | to stare angrily at |
| glare | a strong, blinding light |
| glare | an angry stare |
| habitat | the place or type of place where a plant or animal is normally found |
| oblivious | not aware of |
| outmoded | no longer needed or fashionable |
| prominent | projecting; standing out |
| prominent | very easy to see; easily noticed |
| prominent | famous; well-known |
| quench | to put out; to extinguish |
| quench | to satisfy with a liquid |
| rigor | a condition that makes life difficult |
| rigor | strictness or severity |
| sear | to wither; to dry up |
| sear | to burn the surface of with sudden heat |
| transport | to carry or move from one place to another |
| transport | the act of carrying from one place to another |
| wend | to travel; to go on one's way |