| A | B |
| catastrophe | a great and sudden disaster |
| emotion | any strong excitement or stimulation |
| colleague | a fellow member of a profession |
| inexorable | not to be altered, avoided or turned aside |
| consciousness | the condition of being able to perceive and understand what is happening |
| obligation | a sense of duty as if being held accountable |
| contrary | completely different |
| unconscious | temporarily lacking awareness |
| curiosity | a desire to learn or know |