| DEMOGRAPHY | Study of the structure of human populations |
| ANATOMIST | Expert in the structure of human and animal bodies (9) |
| ANAT | Subject dealing with the structure of humans and animals for short |
| ANATOMIC | Of the study of the structure of the body (8) |
| TECTONICS | From "builder", the study of the structure of Earth's lithosphere and crustal plates; or, the art or science of construction or architecture (9) |
| GEOLOGY | Scientific study of the structure of the earth, especially by examination of its rocks (7) |
| ANATOMY | Study of the structure of the body |
| CHEMISTRY | The scientific study of the structure of substances (9) |
| DEMOGRAPHIC | (Statistic) relating to the study of human populations (11) |
| DEMOLOGY | The study of human populations, activities, and behaviour (8) |
| DEMOGRAPHICS | Statistical aspects of human populations such as age and income (12) |
| OSTEOLOGY | The study of the structure and function of bones (9) |
| SCIENCE | Study of the structure and behaviour of the physical world (7) |
| COSMOLOGY | Science of the structure of the universe (9) |
| ANALYSIS | The examination of the structure of something and its parts (8) |
| MUTATION | The changing of the structure of a gene (8) |
| CYTOLOGY | Scientific study of the structure, functions etc. of plant and animal cells (8) |
| BOTANY | Scientific study of the structure, ecology, distribution, classification and economic importance of plants (6) |
| ROSALIND | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
| FRANKLIN | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
