| A | B |
| biology | the study of living things (noun) |
| biography | the story of a person's life (noun) |
| amphibious | able to live on land and water (adj) |
| diction | the choice and use of words (noun) |
| dictionary | a book of alphabetitically listed words and their meaning (noun) |
| dictate | tosay for someone to write down (verb) |
| edict | an official public announcement (noun) |
| predict | to say in advance (verb) |
| verdict | the decision of a jury (noun) |
| contradict | to say the opposite (verb) |
| benediction | a short blessing at the end of a publiic worship (noun) |
| submerged | covered with water (adj) |
| submarine | a vessel made to go under water (noun) |
| suburb | a community on the ourskirts of a city (noun) |
| subordinate | under the power of another (adj) |
| subnormal | beneath the standard or average (adj) |
| suboceanic | existing or happening under the sea (adj) |
| subsoil | the ground under the top soil (noun) |
| subpoena | an official order commanding a person to appear in court (noun) |
| subservient | putting oneself under the command of another;sunmissive (adj) |
| subdue | to conquer; to bring under control (verb) |
| subconscious | not fully aware(adj) |
| substitute | a person ot thing that takes the place of another (noun) |
| submissive | yielding to the authority of another (adj) |
| subway | an underground train (noun) |
| diagraming | making a drawing showing the important parts of something (verb) |
| diagnose | to find the cause of a problem by close examination (verb) |
| diagonal | slanted from corner to corner (adj) |
| dialogue | a conversation between two or more people (noun) |
| diameter | a line through the center of a circle (noun) |
| diaphragm | the muscle between the stomach and lungs (noun) |
| diadem | a crown (noun) |
| musician | a composer or performer of music (noun) |
| magician | one who performs tricks (noun) |
| phyician | a person skilled in the art of healingl a doctor (noun) |