| A | B |
| geography | draw the earth (make maps) and write about it |
| geographer | one who makes maps and writes about the earth |
| geology | study of the earth and its formations |
| geologist | one who studies the formations of the earth's crust; rocks minerals, oil |
| geometry | branch of study on ways to measure the earth |
| George | one who works the earth; a farmer |
| territory | land under control of a government or owner |
| terrace | raised platform of earth |
| terra cotta | "cooked earth"; fired clay pottery, tiles |
| terrarium | garden in a small glass container |
| terristrial | pertaining to the earth |
| extraterrestrial | outside the earth's atmosphere |
| terrier | small dog which hunts for burrowing game |
| Mediterranean Sea | the sea in the middle of the land |
| diabolical | possessed by a devil |
| diadem | bond across the forehead, a wreath or crown |
| diagnosis | line between two adjacent corners in a figure of four sides or more |
| diagram | a cross section drawing |
| diameter | measure across |
| diamond | hardest substance |
| diacritical | marks to separate long and short vowels |
| transport | carry across |
| transaction | trade or exchange |
| transcript | separate into writting |
| transfer | carry across |
| transform | change over to a different form |
| transplant | move a plant |
| transparent | appear to be seen through |