| A | B |
| anthropologist | one who studies mankind |
| astronomer | one who studies stars and galaxies |
| geologist | one who studies the structure of the earth and rocks |
| biologist | one who studies living organisms |
| botanist | one who studies living plants |
| zoologist | one who studies living animals |
| entomologist | one who studies insects |
| philologist | one who compares current and former languages |
| semanticist | one who studies sentence structure and meaning |
| sociologist | one who studies the interaction of groups of people |
| linguist | one who studies systems of languages |