| A | B |
| introductory | Preliminary. |
| reproduce | To make a copy of. |
| reproduction | the act of making a copy of. |
| semiconductor | silicon & other solids with a special weak form of conductivity which is important for computer processors |
| reduction | a decrease |
| abduct | to kidnap, to lead away |
| conduct | personal behavior, way of acting |
| deduct | to decrease or take off |
| introduce | to lead or usher in, bring into being |
| producer | someone who gets something ready |
| education | the development of knowledge |
| reduce | to decrease, abridge |
| progress | development |
| projectile | a propelled object such as a bullet |
| proficiency | acquirement, as in some knowledge, art, or science. |
| protract | Uncultured, from the sticks,narrow-minded; unsophisticated |
| provincial | laid low, weak and helpless; defeated |
| procedure | manner or method of acting. |
| prohibit | to forbid |
| prosper | to achieve success |
| profound | having great depth or seriousness |
| projector | machine casting image on screen |
| propaganda | Any institution or systematic scheme for propagating a doctrine or system. |
| prominent | outstanding, conspicuous |
| prophet | religious leader |
| prospects | possibilities, outlook |
| proverb | a short popular saying expressing the truth |
| provisional | temporary |