- 1901 geomorphologies
- 1902 geomorphologist
- 1903 geomorphology
- 1904 geomyoid
- 1905 geophagies
- 1906 geophagism
- 1907 geophagist
- 1908 geophagous
- 1909 geophagy
- 1910 geophilic
- 1911 geophilous
- 1912 geophone
- 1913 geophysical
- 1914 geophysically
- 1915 geophysicist
- 1916 geophysics
- 1917 geophyte
- 1918 geophytic
- 1919 geopolitical
- 1920 geopolitically
- 1921 geopolitician
- 1922 geopolitics
- 1923 geoponic
- 1924 geoponical
- 1925 geoponics
- 1926 geopressured
- 1927 geopressurized
- 1928 geoprobe
- 1929 georgette
- 1930 georgic
- 1931 geos
- 1932 geoscience
- 1933 geoscientific
- 1934 geoscientist
- 1935 geosphere
- 1936 geostatic
- 1937 geostationary
- 1938 geostrategic
- 1939 geostrategical
- 1940 geostrategies
- 1941 geostrategist
- 1942 geostrategy
- 1943 geostrophic
- 1944 geostrophically
- 1945 geosynchronous
- 1946 geosynclinal
- 1947 geosyncline
- 1948 geotactic
- 1949 geotactical
- 1950 geotactically
- 1951 geotaxes
- 1952 geotaxis
- 1953 geotechnic
- 1954 geotechnical
- 1955 geotechnics
- 1956 geotechnological
- 1957 geotechnologies
- 1958 geotechnology
- 1959 geotectonic
- 1960 geotectonically
- 1961 geotectonics
- 1962 geothermal
- 1963 geothermally
- 1964 geothermic
- 1965 geothermometer
- 1966 geotropic
- 1967 geotropically
- 1968 geotropism
- 1969 gerah
- 1970 geranial
- 1971 geraniol
- 1972 geranium
- 1973 gerardia
- 1974 gerbe
- 1975 gerbera
- 1976 gerbes
- 1977 gerbil
- 1978 gerbille
- 1979 gerbils
- 1980 gere
- 1981 gerent
- 1982 gerenuk
- 1983 geres
- 1984 gerfalcon
- 1985 geriatric
- 1986 geriatrician
- 1987 geriatrics
- 1988 geriatrist
- 1989 gerle
- 1990 germ
- 1991 germain
- 1992 germaine
- 1993 germains
- 1994 german
- 1995 germander
- 1996 germane
- 1997 germanely
- 1998 germaneness
- 1999 germanic
- 2000 germanium