root
anti
against ex antibakteria
cosm
universe,world,order
dem
people demograph
hyper
over too much
mis
bad wrong ex misplace
astro
star astronaut
cracy
type of government democracy
gon
angle octagon
mania
madness in sanity ex kleptomania
Mon mono
one ex monotonous
auto
self same ex autobiography
geo
earth geography
gram polygraph drawn written
mech
machine
ologist
one who studies ex bologist
bio
life biology
crat
member of type of government democrat
hemi semi
half semi track
mega
big ex megaabyte
phobia
fear ex arachnephoble
chron
time chronological
cycle
circle wheel tricycle
hydro hydra
water hydrate
micro
small ex microchip
therm
heat ex thermos