geo-
- referring to words with 'earth' as part of their meaning
geocentric, geographical, geography, geological, geology, geophysical, geophysics, geopolitical, geopolitics
-gon
- referring to words with 'angles' as part of their meaning
decagon, hexagon, octagon, polygon
-gram
- written or drawn
anagram, diagram, hologram, monogram, pentagram, pictogram, telegram
- weight
kilogram, microgram, milligram
-graph
- referring to words with 'writing', 'record' or 'drawing' as part of their meaning
autograph, holograph, monograph, paragraph, photograph, telegraph
great-
- with nouns referring to memebers of a family
great-grandchild, great-granddaughter, great-grandfather, great-grandmother, great-grandparent, great-grandson
