3Rule by, ruling body of
-cracy
4Supporter of rule by, ruling member of
-crat
5Art or method of writing, descriptive science
-graphy
6Something written, instrument that writes
-graph
7Subject of study, discourse
-logy
8Madness, excessive enthusiasm
-mania
9Art or process of the science of measuring
-metry
10Law of, arrangement of, science of
-nomy
15Observation of or examination of or by
-scopy
16Instrument for observing or examining
-scope
20Self, one's own, of or by oneself or itself
aut-
28Long, large, large-scale
macr-
29Great, large, powerful, one million (metric system)
mega-, megal-