| A | B |
| development | the act of growing or causing to grow |
| information | facts or data about a certain event or subject |
| preparation | readiness; the act of being ready beforehand |
| improvement | a change or addition that makes something better |
| invention | a device, system, or process that did not exist before |
| advancement | a forward step or improvement |
| accidentally | happening by mistake or without thinking |
| unkindness | harshness; unthoughfulness |
| concentration | the act of fixing one's mind on something |
| unskillful | clumsiness or incompetence |
| respectful | showing honor or esteem; polite and courteous |
| prevention | the act or an example of keeping something from happening |
| regardless | in spite of; heedless or unmindful |
| repetition | the act of saying or doing something again and again |
| disgraceful | worthy of or causing shame, dishonor, or disfavor; embarrassing |
| unbelievable | incredible; unconvincing |
| disagreement | a dispute or quarrel caused by a difference of opinion |
| imprisonment | being put into prison, an enclosure, or confinement |
| encouragement | the act of giving hope and confidence to; support |
| intermission | interruption or or recess, like between the acts of a play |
| precision | the condition or quality of being precise; accurate; exactness |
| reputation | the general esteem in which a person is held by others and the general public |
| distinction | the condition or fact of being different; a difference or unlikeness |
| intolerable | not capable of being endured; unbearable |
| inevitable | not capable of being avoided or prevented |