| HYDROLOGIST | Person who studies the distribution, conservation, use etc of the Earth's water (11) |
| HYDROSPHERE | All the Earth's water |
| OCEAN | Earth's waters |
| SEAS | Earth's waters |
| TYPOGRAPHER | A person who studies the natural features of the surface of the Earth (11) |
| SOCIOLOGIST | Person who studies the structure and workings of communities (11) |
| ETYMOLOGIST | Person who studies the origin of words (11) |
| CARBONCYCLE | Term for the circulation through earth, water, living things and the air of one chemical element fun |
| SIDEEFFECTS | Consequences of a drug use, etc (4,7) |
| TESTIMONIAL | A recommendation of the character, ability, etc of a person (11) |
| TRESPASSERS | People who go or intrude on the property, privacy etc. of another with no right or permission (11) |
| MEGATRON | Leader of the Decepticons in the comics, films etc. of the Transformers franchise (8) |
| WHOLEGRAINS | Kinds of cereals, breads, etc., of which 3 ounces should be eaten every day: 2 wds. |
| INDOLOGIST | A person who studies the history and culture of the country with the capital New Delhi (10) |
| CLONE | Group of cells etc. of the same generic constitution that are descended from a common ancestor |
| HYDRAULIC | Like the suspension, brakes, steering, etc of the Citroen DS (9) |
| REVIVAL | What is a renewing of interest in a theory, etc, of the past (7) |
| LANDINGGEAR | Wheels etc of an aircraft (7-4) |
| ASTROLOGER | Person who studies the motions and relative positions of the planets, sun and moon, interpreted in terms of human activity (10) |
| EPIDEMIOLOGIST | Person who studies the incidence and distribution of disease (14) |
