| A | B | 
| consideration | act of thinking about; in order to decide | 
| communication | giving or exchanging information by speaking or writing | 
| punctuation | use of periods, commas, and other marks to make meaning clear | 
| unbelievable | incredible | 
| misunderstanding | wrong or failure to understand | 
| competitive | based on something others want | 
| encyclopedia | a book or set of books giving information on all branches of knowledge | 
| emergency | sudden need for immediate action | 
| reusable | using again | 
| calculator | machine that calculates | 
| untrustworthy | that which cannot be depended on | 
| unpleasantness | quarrel | 
| condominium | apartment house in which each apartment is purchased as a piece of real estate | 
| untidiness | not in order | 
| ravioli | an Italian dish made of square noodles, a filling, and sauce | 
| disagreeable | not to one's liking | 
| exaggeration | an over statement | 
| uncontrollable | not able to restrain or check | 
| decaffeinated | having the caffeine extracted | 
| instantaneously | coming, or made in an instant | 
| inappropriately | not fitting or suitable | 
| nonnegotiable | not capable of being sold | 
| nondiscriminatory | not showing prejudice | 
| unintimidated | not frightened or influenced by fear | 
| mispronunciation | pronounce incorrectly |