Ology Suffix Words starting with G
| Garbology | the study of modern refuse and trash |
| Gastrology or Gastroenterology |
the study of stomach and intestines |
| Gemmology or Gemology | the study of gemstones and ornamental materials(jewels) |
| Genealogy | the study of descent of families |
| Genecology | the study of genetic differences in relation to the environment |
| Genesiology | the study of reproduction and heredity |
| Genethlialogy | the
science of calculating positions of the heavenly bodies on nativities |
| Geobiology | the study of the biosphere and its relations
to the lithosphere and atmosphere. |
| Geochronology | the study of the age of the Earth |
| Geology | the study of the Earth |
| Geomorphology | the study of present-day landforms,
traditionally on Earth but with increasing frequency on nearby planetary objects |
| Geratology | the study of decadence and decay |
| Gerontology | the study of old age |
| Gigantology | the study of giants |
| Glaciology | the study of glaciers |
| Glossology | the study of language |
| Glyptology | the study of gem engravings |
| Grammatology | the study of writing systems. Also the study
of deconstructive literary criticism |
| Graminology | the study of grasses |
| Gnosiology | the study of knowledge; philosophy of knowledge |
| Gnotobiology | the study of life in germ-free conditions |
| Graphology | the study of handwriting for the purpose of
analysing the character of the writer |
| Grossology | the study of gross and disgusting things. Fictional; book title |
| Gynaecology or Gynecology |
the study of medicine relating to women |